If you are depressed you are living in the past.  If you are anxious you are living in the future.  If you are at peace you are living in the present.

Don’t let yesterday take up too much of today.

Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment.

In books lies the soul of the whole past time.

He who controls the past controls the future. He who controls the present controls the past

The secret of health for both mind and body is not to mourn for the past, worry about the future or anticipate troubles, but to live in the present moment wisely and earnestly.

Happy is the person who knows what to remember of the past, what to enjoy in the present, and what to plan for in the future.

The timeless in you is aware of life's timelessness. And knows that yesterday is but today's memory and tomorrow is today's dream.

Our consciousness is almost completely preoccupied with memory and expectation. We do not realize that there never was, is, nor will be any other experience than present experience.

I, not events, have the power to make me happy or unhappy today. I can choose which it shall be. Yesterday is dead, tomorrow hasn't arrived yet. I have just one day today and I'm going to be happy in it.

In the process of letting go, you will lose many things from the past, but you will find yourself.

Let go. Why do you cling to pain? There is nothing you can do about the wrongs of yesterday. It is not yours to judge. Why hold on to the very thing which keeps you from hope and love?

Live in the present, remember the past, and fear not the future, for it doesn't exist and never shall. There is only now.

The reading of all good books is like a conversation with the finest minds of past centuries.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

It isn’t what you did in the past that will affect the present. It’s what you do in the present that will redeem the past and thereby change the future.

Past and future exist only in our memory. The present moment, though, is outside of time, it's Eternity.

We are living in a culture entirely hypnotized by the illusion of time, in which the so-called present moment is felt as nothing but an infinitesimal hairline between an all-powerfully causative past and an absorbingly important future. 

They say I'm old-fashioned, and live in the past, but sometimes I think progress progresses too fast!

I can only note that the past is beautiful, because one never realises an emotion at the time. It expands later and thus we don't have complete emotions about the present, only about the past.

I love the past. There are parts of the past I hate, of course.

One's past is what one is. It is the only way by which people should be judged.

The art of living… is neither careless drifting on the one hand, nor fearful clinging to the past on the other. It consists in being sensitive to each moment, in regarding it as utterly new and unique, in having the mind open and wholly receptive.

Once I knew only darkness and stillness... my life was without past or future... but a little word from the fingers of another fell into my hand that clutched at emptiness, and my heart leaped to the rapture of living.

Yesterday is but today's memory and tomorrow is today's dream.

I was adored once too.

Yesterday is not ours to recover, but tomorrow is ours to win or lose.

For my part I consider that it will be found much better by all parties to leave the past to history, especially as I propose to write that history myself.

Sometimes the past seems too big for the present to hold.

I haven't had that one great love which is good. I don't want that to be in the past - I want it to be in the future.

The distinction between the past, present and future is only a stubbornly persistent illusion.

The discontented believe that their regrets are about the past.

I like the dreams of the future better than the history of the past.

I love my past, I love my present. I am not ashamed of what I have had, and I am not sad because I no longer have it.

Things that are done it is needless to speak about, things that are past it is needless to blame.

In this bright future you can't forget your past.

Stop acting as if life is a rehearsal. Live this day as if it were your last. The past is over and gone. The future is not guaranteed.

What is past is prologue.

I tell you the past is a bucket of ashes, so live not in your yesterdays, no just for tomorrow, but in the here and now. Keep moving and forget the post mortems, and remember no one can get the jump on the future.

History is a relentless master. It has no present, only the past rushing into the future. To try to hold fast is to be swept aside.

Yesterday's just a memory, tomorrow is never what it's supposed to be.

He who has loved and who betrays love does harm not only to the image of the past, but to the past itself.

Change is the law of life. And those who look only to the past or present are certain to miss the future.

No man is rich enough to buy back his past.

For the first time in the history of mankind, one generation literally has the power to destroy the past, the present and the future, the power to bring time to an end.

I desire no future that will break the ties with the past.

Study the past if you would divine the future.

God cannot alter the past, though historians can.

Forget the past.

For other nations utopia is a blessed past never to be recovered, for Americans it is just beyond the horizon.

I like to spend time in the past with the things that have been important to me.

Freedom from effort in the present merely means that there has been effort stored up in the past.

Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.

Good men make life a twofold span to last: Twice does he live who can enjoy his past.

I don't have nothing to regret at all in the past, except that I might've unintentionally hurt somebody else or something.

We must respect the past and mistrust the present if we wish to provide for the safety of the future.

When the past no longer illuminates the future, the spirit walks in darkness.

The great courageous act that we must all do, is to have the courage to step out of our history and past, so that we can live our dreams.

We must abandon completely the notion of blaming the past for any kind of situation we’re in and reverse our thinking and see that the past always flows back form the present. 

For you and I are past our dancing days.

A mother's happiness is like a beacon lighting up the future, but reflected also on the past in the guise of fond memories.

I have realized that the past and future are real illusions, that they exist in the present, which is what there is and all there is.

I don't think the human mind can comprehend the past and the future. They are both just illusions that can manipulate you into thinking theres some kind of change.

Every saint has a past and every sinner has a future.

The danger of the past was that men became slaves. The danger of the future is that man may become robots.

I think it's great to put our past behind us and just move on. I think it was important to show the fans.

America is false to the past, false to the present, and solemnly binds herself to be false to the future.

I haven't been faithful to my own advice in the past. I will in the future.

Whenever I think of the past it brings back so many memories.

Truth has to persist unaffected in the past, present and future. That, which is absent in two states, how can it be true?

Everyman's life lies within the present, for the past is spent and done with, and the future is uncertain.

I know of no way of judging the future but by the past.

We should not look back unless it is to derive useful lessons from past errors and for the purpose of profiting by dearly bought experience.

As in geology, so in social institutions we may discover the causes of all past changes in the present invariable order of society.

They say miracles are past.

A moral being is one who is capable of reflecting on his past actions and their motives - of approving of some and disapproving of others.

Hear the voice of the Bard! Who present past and future sees, Whose ears have heard The Holy Word, That walked among the ancient trees.

We are willing enough to praise freedom when she is safely tucked away in the past and cannot be a nuisance. In the present, amidst dangers whose outcome we cannot foresee, we get nervous about her and admit censorship.

All beings are not only the parents in the past. They will become the Buddha in the future. If you free their lives you are the Buddha.

A safe but sometimes chilly way of recalling the past is to force open a crammed drawer. If you are searching for anything in particular you don't find it, but something falls out at the back that is often more interesting.

I really feel free, and not as serious as I have been in the past.

Each has his past shut in him like the leaves of a book known to him by his heart, and his friends can only read the title.

A nation which has forgotten the quality of courage, which in the past has been brought to public life, is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty and we must rise with the occasion. As our case is new so we must think anew and act anew.

Here lies interred in the eternity of the past from whence there is no resurrection for the days - whatever there may be for the dust - the thirty-third year of an ill-spent life which after a lingering disease of many months sank into a lethargy and expired January 22d 1821 A.D. leaving a successor inconsolable for the very loss which occasioned its existence.