The keenest sorrow is to recognize ourselves as the sole cause of all our adversities.

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.

Worry is the interest paid by those who borrow trouble.

A process cannot be understood by stopping it. Understanding must move with the flow of the process, must join it and flow with it.

I have often been accused of putting my foot in my mouth, but I will never put my hand in your pockets

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.

The promise given was a necessity of the past: the word broken is a necessity of the present.

Any product that needs a manual to work is broken.

How vain it is to sit down to write when you have not stood up to live.

Every time you are tempted to react in the same old way, ask if you want to be a prisoner of the past or a pioneer of the future.

What is necessary to change a person is to change his awareness of himself.

To be rooted is perhaps the most important and least recognized need of the human soul.

When people talk of the freedom of writing, speaking or thinking I cannot choose but laugh. No such thing ever existed. No such thing now exists; but I hope it will exist. But it must be hundreds of years after you and I shall write and speak no more.

There is nothing to writing. All you do is sit down at a typewriter and bleed.

I recommend that the Statue of Liberty be supplemented by a Statue of Responsibility on the west coast.

The thing I lose patience with the most is the clock. Its hands move too fast

Quote me as saying I was mis-quoted.

It seldom happens that any felicity comes so pure as not to be tempered and allayed by some mixture of sorrow.

Patriotism is usually stronger than class hatred, and always stronger than internationalism.

How lucky I am to have something that makes saying goodbye so hard.

I meant what I said and I said what I meant.