Aristotle (384–322 BC) was an ancient Greek philosopher and scientist. His writings cover many subjects – including physics, biology, zoology, metaphysics, logic, ethics, aesthetics, poetry, theater, music, rhetoric, linguistics, politics and government – and constitute the first comprehensive system of Western philosophy. He was Plato's student and Alexander the Great's tutor.

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Between friends there is no need of justice.

The actuality of thought is life.

Wishing to be friends is quick work but friendship is slow-ripening fruit.

What is a friend? A single soul dwelling in two bodies.

Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence, but rather we have those because we have acted rightly. We are what we repeatedly do. Excellence then is not an act but a habit.

Youth is easily deceived because it is quick to hope.

I count him braver who overcomes his desires than him who conquers his enemies, for the hardest victory is over self.

Love is composed of a single soul inhabiting two bodies.

Pleasure in the job puts perfection in the work.

Music has a power of forming the character and should therefore be introduced into the education of the young.

Quality is not an act it is a habit.

Memory is the scribe of the soul.

We should behave to our friends as we would wish our friends to behave to us.

Hope is a waking dream.

My best friend is the man who in wishing me well wishes it for my own sake.

...for the lesser evil is reckoned a good, in comparison with the greater evil, since the lesser evil is rather to be chosen, than the greater...

In the arena of human life. the honors and rewards fall to those who show their good qualities in action.

A friend to all is a friend to none.

A man is the origin of his action.

Different men seek happiness in different ways and by different means.

The beauty of the soul shines out when a man bears with composure one heavy mischance after another, not because he does not feel them, but because he is a man of high and heroic temper.

All men by nature desire to know.

Not to get what you have your heart set on is almost as bad as getting nothing at all.

Anyone can become angry - that is easy; but to be angry with the right person, at the right time, and for the right purpose and in the right way - that is not within everyone's power and that is not easy.

All virtue is summed up in dealing justly.

We make war that we may live in peace.

Teaching is the highest form of understanding.

No one would choose a friendless existence on condition of having all other things in the world

Most people would rather give than get affection.

Men acquire a particular quality by constantly acting in a particular way.

Happiness is the meaning and the purpose of life the whole aim and end of human existence.

Life is full of chances and changes and the most prosperous of men with great misfortunes.

The goal of war is peace, of business leisure.

Happiness depends upon ourselves.

The avarice of mankind is insatiable.

Piety requires us to honor truth above our friends.

The end of labor is to gain leisure.

Whatsoever that be within us that feels, thinks, desires and animates is something celestial, divine and consequently imperishable.

The beginning, as the proverb says, is half the whole.

The aim of the wise is not to secure pleasure but to avoid pain.

Since the things we do determine the character of life, no blessed person can become unhappy. For he will never do those things which are hateful and petty.

Strange that the vanity which accompanies beauty - excusable perhaps when there is such great beauty, or at any rate understandable - should persist after the beauty was gone.

The aim of art is not to represent the outward appearance of things but their inward significance.

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently, but he is willing in great crises to give even his life - knowing that under certain conditions it is not worth-while to live.

Evil draws men together.

Men cling to life even at the cost of enduring great misfortune

Personal beauty is a greater recommendation than any letter of introduction

Friendship is essentially a partnership.

What it lies in our power to do, it lies in our power not to do.

We cannot learn without pain

Dignity consists not in possessing honors but in the consciousness that we deserve them.

Wit is cultured insolence.

It is possible to fail in many ways...while to succeed is possible only in one way.

The unfortunate need people who will be kind to them, the prosperous need people to be kind to.

The mother of revolution and crime is poverty.

All men seek one goal: success or happiness. The only way to achieve true success is to express yourself completely in service to society. First have a definite clear practical ideal - a goal, an objective. Second, have the necessary means to achieve it.

Criticism is something we can avoid easily by saying nothing doing nothing and being nothing.

The body is at its best between the ages of thirty and thirty-five, the mind is at its best about the age of forty-nine.

If one way be better than another, that you may be sure is Nature's way.

Art not only imitates nature but also completes its deficiencies.

We give up leisure in order that we may have leisure, just as we go to war in order that we may have peace.

What we have to learn to do we learn by doing.

After a certain point money is meaningless. It ceases to be the goal. The game is what counts.

Both oligarch and tyrant mistrust the people and therefore deprive them of their arms.

That which is common to the greatest number has the least care bestowed upon it.

The most perfect political community is one in which the middle class is in control and outnumbers both of the other classes.

The ultimate value of life depends upon awareness and the power of contemplation, rather than upon mere survival.

The basis of a democratic state is liberty.

Fear is pain arising from the anticipation of evil.

It concerns us to know the purposes we seek in life, for then like archers aiming at a definite mark we shall be more likely to attain what we want.

Learning is an ornament in prosperity, a refuge in adversity and a provision in old age.

Those that know do. Those that understand teach.

The true end of tragedy is to purify the passions.

There is a foolish corner in the brain of the wisest man.

Our characters are a result of our conduct.

We are what we repeatedly do. Excellence then is not an act but a habit.

Mothers are fonder than fathers of their children because they are more certain they are their own.

If things do not turn out as we wish, we should wish for them as they turn out.

Religion is lovable because it is loved. Philosophy is loved because it is lovable.

We should aim rather at leveling down our desires than leveling up our means.

When the storytelling in a culture goes bad, the result is decadence.

It is not sufficient to know what one ought to say, but one must also know how to say it.

Beauty depends on size as well as symmetry. No very small animal can be beautiful, for looking at it takes so small a portion of time that the impression of it will be confused. Nor can any very large one, for a whole view of it cannot be had at once.

In revolutions the occasions may be trifling, but great interest are at stake.

Melancholy men are, of all others, the most witty.

I have gained this from philosophy: that I do without being commanded what others do only from fear of the law.

Educated men are as much superior to uneducated men as the living are to the dead.

To learn is a natural pleasure not confined to philosophers, but common to all men.

All who have meditated on the art of governing mankind have been convinced that the fate of empires depends on the education of youth.

No great genius has ever existed without some touch of madness.

The best political community is formed by citizens of the middle class.

The one exclusive sign of thorough knowledge is the power of teaching.

To the query ''What is a friend?'' his reply was ''A single soul dwelling in two bodies.''

We praise a man who feels angry on the right grounds and against the right persons and also in the right manner at the right moment and for the right length of time.

A bad man can do a million times more harm than a beast.

No excellent soul is exempt from a mixture of madness.

Most people would rather get than give affection

At his best man is the noblest of all animals, separated from law and justice he is the worst.

In poverty and other misfortunes of life true friends are a sure refuge.

The more you own the more you know you don't own.

Homer has taught all other poets the art of telling lies skillfully.

The roots of education are bitter but the fruit is sweet.

Different men seek after happiness in different ways and by different means and so make for themselves different modes of life and forms of government.

Equality consists in the same treatment of similar persons.

It is well to be up before daybreak for such habits contribute to health, wealth and wisdom.

Good has two meanings: it means that which is good absolutely, and that which is good for somebody.

Law means good order.

The least deviation from the truth is multiplied later a thousand fold.

Law is order, and good law is good order.

Learning is not child's play, we cannot learn without pain.

Some men are just as sure of the truth of their opinions as are others of what they know.

The only stable state is the one in which all men are equal before the law.

Education is an ornament in prosperity and a refuge in adversity.

Happiness is an expression of the soul in considered actions.

Ancient laws remain in force long after the people have the power to change them.

First have a definite clear practical ideal, a goal an objective. Second have the necessary means to achieve your ends, wisdom, money, materials and methods. Third adjust all your means to that end.

Wit is educated insolence.

If liberty and equality as is thought by some are chiefly to be found in democracy, they will be best attained when all persons alike share in government to the utmost.

Suffering becomes beautiful when anyone bears great calamities with cheerfulness, not through insensibility but through greatness of mind.

You will never do anything in this world without courage. It is the greatest quality of the mind next to honor.

Men are swayed more by fear than by reverence.

Happiness seems to require a modicum of external prosperity.

Wicked men obey out of fear, good men out of love.

Men create gods after their own image not only with regard to their form but with regard to their mode of life.

One swallow does not make a spring nor does one fine day.

Men regard it as their right to return evil for evil, and if they cannot feel they have lost their liberty.

He who is to be a good ruler must have first been ruled.

Adventure is worthwhile.

The two qualities which chiefly inspire regard and affection [Are] that a thing is your own and that it is your only one.

If women didn't exist, all the money in the world would have no meaning.

It is during our darkest moments that we must focus to see the light.

Man is a goal seeking animal. His life only has meaning if he is reaching out and striving for his goals.

The man with a host of friends, who slaps on the back everybody he meets, is regarded as the friend of nobody.

They should rule who are able to rule best.

To perceive is to suffer.

I say that habit is but a long practice, friend, and this becomes men's nature in the end.

Politicians also have no leisure because they are always aiming at something beyond political life itself, power and glory or happiness.

The best friend is the man who, in wishing me well, wishes it for my sake.

So it is naturally with the male and the female, the one is superior the other inferior, the one governs the other is governed, and the same rule must necessarily hold good with respect to all mankind.

This communicating of a man's self to his friend works two contrary effects, for it redoubleth joys and cutteth griefs in half.

This is the reason why mothers are more devoted to their children than fathers: it is that they suffer more in giving them birth and are more certain that they are their own.

It is not the possessions, but the desires of mankind which require to be equalized.

We can do noble acts without ruling the earth and sea.

The so-called Pythagoreans, who were the first to take up mathematics, not only advanced this subject, but saturated with it, they fancied that the principles of mathematics were the principles of all things.

Poetry is finer and more philosophical than history, for poetry expresses the universal and history only the particular.

When their adventures do not succeed, however, they run away, but it was the mark of a brave man to face things that are and seem terrible for a man, because it is noble to do so and disgraceful not to do so.

Change in all things is sweet.

How many a dispute could have been deflated into a single paragraph if the disputants had dared to define their terms.

Time crumbles things, everything grows old under the power of Time and is forgotten through the lapse of Time.

The state exists for the sake of a good life and not for the sake of life only

The greatest virtues are those which are most useful to other persons.

All that one gains by falsehood is not to be believed when he speaks the truth.

It is better for a city to be governed by a good man than by good laws.

Democracy arises out of the notion that those who are equal in any respect are equal in all respects, because men are equally free they claim to be absolutely equal.

We must free ourselves of the hope that the sea will ever rest. We must learn to sail in high winds.

For the things we have to learn before we can do them, we learn by doing them.

He who has never learned to obey cannot be a good commander.

The bad man is continually at war with and in opposition to himself.

All paid jobs absorb and degrade the mind.

All proofs rest on premises.

To the sober person adventurous conduct often seems insanity.

Therefore the good of man must be the end of the science of politics.

Teachers who educate children deserve more honor than parents who merely gave birth, for bare life is furnished by the one, the other ensures a good life.

That in the soul which is called the mind is, before it thinks, not actually any real thing.

Liars, when they speak the truth, are not believed.

Of all the varieties of virtues liberalism is the most beloved.

Poverty is the parent of revolution

Hope is the dream of a waking man.

A good character carries with it the highest power of causing a thing to be believed.

There are things which seem incredible to most men who have not studied mathematics.

To write well express yourself like common people, but think like a wise man. Or think as wise men do, but speak as the common people do.

For this reason poetry is something more philosophical and more worthy of serious attention than history.

He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god.

It's best to rise from life like a banquet, neither thirsty or drunken.

Men acquire a particular quality by constantly acting a particular way. You become just by performing just actions, temperate by performing temperate actions brave by performing brave actions.

The energy of the mind is the essence of life.

Wonder implies the desire to learn

It is simplicity that makes the uneducated more effective than the educated when addressing popular audiences.

The happy life is thought to be one of excellence, now an excellent life requires exertion and does not consist in amusement.

In all things of nature there is something of the marvelous.

Happiness is activity.

Excellence is not an act but a habit

The whole is more than the sum of its parts.

Even when laws have been written down they ought not always to remain unaltered.

Education is the best provision for old age.

The gods too are fond of a joke.

And it is characteristic of man that he alone has any sense of good and evil, of just and unjust, and the like and the association of living beings who have this sense makes family and a state.

Educating the mind without educating the heart is no education at all

To Thales the primary question was not what do we know, but how do we know it.

There is no great genius without a mixture of madness.

Greatness does not consist in receiving honors but in deserving them.

The soul never thinks without a picture.

Praise invariably implies a reference to a higher standard.

Misfortune shows those who are not really friends.

Well begun is half done.

Man, when perfected, is the best of animals, but when separated from law and justice he is the worst of all.

A true friend is one soul in two bodies.

All persons ought to endeavor to follow what is right and not what is established.

We must no more ask whether the soul and body are one than ask whether the wax and the figure impressed on it are one.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Plato is dear to me but dearer still is truth.

Bring your desires down to your present means. Increase them only when your increased means permit.

Men have a sufficient natural instinct for what is true and usually do arrive at the truth.

Where some people are very wealthy and others have nothing, the result will be either extreme democracy or absolute oligarchy, or despotism will come from either of those excesses.

Law is mind without reason.

The secret to humor is surprise.

Civil confusions often spring from trifles but decide great issues.

Bashfulness is an ornament to youth but a reproach to old age.

Friendship is composed of a single soul inhabiting two bodies.

Bad men are full of repentance.

Inferiors revolt in order that they may be equal, and equals that they may be superior.

All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, desire.

We must as second best... take the least of the evils.

The search for truth is in one way hard, and in another way easy, for it is evident that no one can master it fully or miss it wholly. But each adds a little to our knowledge of nature, and from all the facts assembled there arises a certain grandeur.

Beauty is the gift of God.

What the statesman is most anxious to produce is a certain moral character in his fellow citizens, namely a disposition to virtue and the performance of virtuous actions.

Happiness belongs to the self-sufficient

Without friends no one would choose to live, though he has all other goods.

With regard to excellence, it is not enough to know but we must try to have and use it.

Quite often good things have hurtful consequences. There are instances of men who have been ruined by their money, or killed by their courage.

A common danger unites even the bitterest enemies

Nature does nothing uselessly.

No one loves the man whom he fears.

A tyrant must put on the appearance of uncommon devotion to religion. Subjects are less apprehensive of illegal treatment from a ruler whom they consider god-fearing and pious. On the other hand they do less easily move against him believing that he has the gods on his side.

The antidote for fifty enemies is one friend.

But Nature flies from the infinite, for the infinite is unending or imperfect and Nature ever seeks an end.

The beginning of reform is not so much to equalize property as to train the noble sort of natures not to desire more, and to prevent the lower from getting more.

All that we do is done with an eye to something else.

To give a satisfactory decision as to the truth, it is necessary to be rather an arbitrator than a party to the dispute.

A democracy is a government in the hands of men of low birth no property and vulgar employment.

A good style must have an air of novelty, at the same time concealing its art.

The proof that you know something is that you are able to teach it

It is the characteristic of the magnanimous man to ask no favor but to be ready to do kindness to others.

Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence then is not an act but a habit.

If happiness is activity in accordance with excellence, it is reasonable that it should be in accordance with the highest excellence.

It is easy to perform a good action, but not easy to acquire a settled habit of performing such actions.

In practical matters, the end is not mere speculative knowledge of what is to be done, but rather the doing of it. It is not enough to know about virtue then, but we must endeavor to possess it and to use it, or to take any other steps that may make.

Happiness is a sort of action.

People generally despise where they flatter

Republics decline into democracies, and democracies degenerate into despotisms.

The activity of happiness must occupy an entire lifetime, for one swallow does not a summer make.

The Good of man is the active exercise of his soul's faculties in conformity with excellence or virtue or if there be several human excellences or virtues in conformity with the best and most perfect among them

Happiness is the highest good being, a realization and perfect practice of virtue which some can attain, while others have little or none of it

Cruel is the strife of brothers.

It was through the feeling of wonder that men now, and at first, began to philosophize.

A nose which varies from the ideal of straightness to a hook or snub may still be of good shape and agreeable to the eye.

It is the nature of desire not to be satisfied and most men live only for the gratification of it.

Obstinate people can be divided into the opinionated the ignorant and the boorish.

Hippocrates is an excellent geometer but a complete fool in everyday affairs.

It is the mark of an instructed mind to rest satisfied with the degree of precision to which the nature of the subject admits and not to seek exactness when only an approximation of the truth is possible.

The young are permanently in a state resembling intoxication.

Character is that which reveals moral purpose exposing the class of things a man chooses or avoids.

For what is the best choice, for each individual is the highest it is possible for him to achieve.

Philosophy is the science which considers truth

Tragedy is thus a representation of an action that is worth serious attention, complete in itself and of some amplitude... by means of pity and fear bringing about the purgation of such emotions.

My friends! There are no friends.

It is the mark of an educated mind to rest satisfied with the degree of precision which the nature of the subject admits, and not to seek exactness where only an approximation is possible.

He is his own best friend and takes delight in privacy, whereas the man of no virtue or ability is his own worst enemy and is afraid of solitude

Happiness may be defined as good fortune joined to virtue or a independence, or as a life that is both agreeable and secure.

To be conscious that we are perceiving or thinking, is to be conscious of out own existence.

They [Young People] have exalted notions because they have not been humbled by life or learned its necessary limitations, moreover their hopeful disposition makes them think themselves equal to great things / and that means having exalted notions. They would always rather do noble deeds than useful ones: Their lives are regulated more by moral feeling than by reasoning / all their mistakes are in the direction of doing things excessively and vehemently. They overdo everything / they love too much hate too much and the same with everything else.

Our account does not rob mathematicians of their science by disproving the actual existence of the infinite in the direction of increase in the sense of the untraceable. In point of fact they do not need the infinite and do not use it. They postula

To be successful keep looking tanned live in an elegant building (even if you're in the cellar) be seen in smart restaurants (even if you only nurse one drink) and if you borrow borrow big.

Virtue is more clearly shown in the performance of fine actions than in the non-performance of base ones.

The generality of men are naturally swayed more by fear than by reverence and to refrain from evil rather because of the punishment that it brings than because of its own foulness

Those who educate children well are more to be honored than they who produce them, for these only gave them life those the art of living well.

There was never a genius without a tincture of madness.

Revolutions are not about trifles but they spring from trifles

A state is not a mere society having a common place established for the prevention of mutual crime and for the sake of exchange...Political society exists for the sake of noble actions and not of mere companionship.

Men come together in cities in order to live: they remain together in order to live the good life.

Democracy is when the indigent, and not the men of property, are the rulers.

It is Homer who has chiefly taught other poets the art of telling lies skillfully.

A whole is that which has beginning middle and end.

Friendship is a single soul dwelling in two bodies.

Either a beast or a god.

The virtue of justice consists in moderation as regulated by wisdom.

Great men are always of a nature originally melancholy.

To run away from trouble is a form of cowardice, and while it is true that the suicide braves death, he does it not for some noble object but to escape some ill.

The law is reason free from passion

People become house builders through building houses harp players through playing the harp. We grow to be just by doing things which are just.

Poetry is something more philosophic and of graver import than history since its statements are of nature of universals, whereas those of history are of singulars.

Tragedy is an imitation of a whole, and complete action of some amplitude... Now a whole is that which has a beginning, a middle and an end.

Man is by nature a political animal.

It is in justice that the ordering of society is centered.

The arousing of prejudice, pity, anger and similar emotions, has nothing to do with the essential facts, but is merely a personal appeal to the man who is judging the case.

The mass of mankind are evidently slavish in their tastes, preferring a life suitable to beasts.

The moral virtues then are produced in us neither by nature nor against nature. Nature indeed prepares in us the ground for their reception, but their complete formation is the product of habit.

Poetry is more philosophical and of higher value than history.

Probable impossibilities are to be preferred to improbable possibilities.

A tragedy is the imitation of an action that is serious and also as having magnitude complete in itself . . . with incidents arousing pity and terror with which to accomplish its purgation of these emotions.

One must learn by doing the thing, for though you think you know it you have no certainty until you try.

He who hath many friends hath none.

After breaking up of the husk the creature issues out, leaving a little moisture behind, and after a short interval flies up into the air and sets a chirping.

Every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

Some men are just as firmly convinced of what they think, as others of what they know.

It is not always the same thing to be a good man and a good citizen.

Of mankind in general the parts are greater than the whole

Plausible impossibilities should be preferred to unconvincing possibilities

The man who gets angry at the right things and with the right people and in the right way and at the right time and for the right length of time is commended.

It is unbecoming for young men to utter maxims.

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