Thomas Aquinas

Thomas Aquinas

Saint Thomas Aquinas (1225 – 7 March 1274), was an Italian Dominican friar, Catholic priest, and Doctor of the Church. He was an immensely influential philosopher, theologian, and jurist in the tradition of scholasticism, within which he is also known as the Doctor Angelicus and the Doctor Communis.

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There is nothing on this earth more to be prized than true friendship.

Faith has to do with things that are not seen and hope with things that are not at hand.

Every judgement of conscience, be it right or wrong, be it about things evil in themselves or morally indifferent, is obligatory in such wise that he who acts against his conscience always sins.

Good can exist without evil, whereas evil cannot exist without good.

A man has free choice to the extent that he is rational.

The principal act of courage is to endure and withstand dangers doggedly rather than to attack them.

Love must precede hatred, and nothing is hated, save through being contrary to a suitable thing which is loved. And hence it is that every hatred is caused by love.

If forgers and malefactors are put to death by the secular power there is much more reason for excommunicating and even putting to death one convicted of heresy.

Distinctions drawn by the mind are not necessarily equivalent to distinctions in reality.

Love is a binding force by which another is joined to me and cherished by myself.

Three conditions are necessary for Penance: contrition which is sorrow for sin together with a purpose of amendment, confession of sins without any omission, and satisfaction by means of good works.

Well-ordered self-love is right and natural.

The test of the artist does not lie in the will with which he goes to work but in the excellence of the work he produces.

How can we live in harmony? First we need to know we are all madly in love with the same God.

Wonder is the desire for knowledge.

Happiness is secured through virtue, it is a good attained by man's own will.

Perfection of moral virtue does not wholly take away the passions but regulates them.

Law is nothing other than a certain ordinance of reason for the common good promulgated by the person who has the care of the community.

If then you are looking for the way by which you should go take Christ because He Himself is the way.

It is clear that he does not pray who far from uplifting himself to God requires that God shall lower Himself to him and who resorts to prayer not to stir the man in us to will what God wills but only to persuade God to will what the man in us wills.

Love takes up where knowledge leaves off.

Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstances confronting him.

Beware of the person of one book.

Temperance is simply a disposition of the mind which binds the passion.

The things that we love tell us what we are.

The knowledge of God is the cause of things. For the knowledge of God is to all creatures what the knowledge of the artificer is to things made by his art.

That the saints may enjoy their beatitude and the grace of God more abundantly they are permitted to see the punishment of the damned in hell.

To convert somebody go and take them by the hand and guide them.

Better to illuminate than merely to shine to deliver to others contemplated truths than merely to contemplate.

We can't have full knowledge all at once. We must start by believing, then afterwards we may be led on to master the evidence for ourselves.

Because philosophy arises from awe a philosopher is bound in his way to be a lover of myths and poetic fables. Poets and philosophers are alike in being big with wonder.

Because of the diverse conditions of humans it happens that some acts are virtuous to some people as appropriate and suitable to them while the same acts are immoral for others as inappropriate to them.

Whatever is received is received according to the nature of the recipient.

It is requisite for the relaxation of the mind that we make use from time to time of playful deeds and jokes.

To live well is to work well to show a good activity.

Man should not consider his material possession his own but as common to all so as to share them without hesitation when others are in need.

How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know.

Law, an ordinance of reason for the common good made by him who has care of the community.

As regards the individual nature woman is defective and misbegotten for the active power of the male seed tends to the production of a perfect likeness in the masculine sex, while the production of a woman comes from defect in the active power.

It is necessary to posit something which is necessary of itself and has no cause of its necessity outside of itself but is the cause of necessity in other things. And all people call this thing God.

By nature all men are equal in liberty but not in other endowments.

Man cannot live without joy, therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.

Clearly the person who accepts the Church as an infallible guide will believe whatever the Church teaches.

If the highest aim of a captain were to preserve his ship he would keep it in port forever.

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

All that is true by whomsoever it has been said has its origin in the Spirit.

In order for a war to be just three things are necessary. First the authority of the sovereign. Secondly a just cause. Thirdly a rightful intention.

Sorrow can be alleviated by good sleep a bath and a glass of wine.

To one who has faith no explanation is necessary. To one without faith no explanation is possible.

Most men seem to live according to sense rather than reason.

Reason in man is rather like God in the world.

The truth of our faith becomes a matter of ridicule among the infidels if any Catholic not gifted with the necessary scientific learning presents as dogma what scientific scrutiny shows to be false.

Friendship is the source of the greatest pleasures and without friends even the most agreeable pursuits become tedious.

There is but one Church in which men find salvation just as outside the ark of Noah it was not possible for anyone to be saved.

To bear with patience wrongs done to oneself is a mark of perfection but to bear with patience wrongs done to someone else is a mark of imperfection and even of actual sin.

Hold firmly that our faith is identical with that of the ancients. Deny this and you dissolve the unity of the Church.

Moral science is better occupied when treating of friendship than of justice.

The theologian considers sin mainly as an offence against God, the moral philosopher as contrary to reasonableness.

All the efforts of the human mind cannot exhaust the essence of a single fly.

Not everything that is more difficult is more meritorious.

It is possible to demonstrate God's existence although not a priori yet a posteriori from some work of His more surely known to us.

Three things are necessary for the salvation of man: to know what he ought to believe, to know what he ought to desire, and to know what he ought to do.

Because we cannot know what God is but only what He is not we cannot consider how He is but only how He is not.

God should not be called an individual substance since the principal of individuation is matter.

Human salvation demands the divine disclosure of truths surpassing reason.