There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.

My idea of an agreeable person is a person who agrees with me.

In the intellectual order, the virtue of humility is nothing more nor less than the power of attention.

I fully realize that no wealth or position can long endure, unless built upon truth and justice; therefore, I will engage in no transaction which does not benefit all whom it affects.

One's only rival is one's own potentialities. One's only failure is failing to live up to one's own possibilities. In this sense, every man can be a king, and must therefore be treated like a king.

I have only ever read one book in my life, and that is White Fang. It's so frightfully good I've never bothered to read another.

It's sad when someone you know becomes someone you knew.

If we all worked on the assumption that what is accepted as true is really true, there would be little hope of advance.

Real stupidity beats artificial intelligence every time.

If information and knowledge are central to democracy, they are the conditions for development.

A person preaches well that lives well.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

Charity ... is the opium of the privileged.

Genius is one percent inspiration and ninety-nine percent perspiration.

If you've got them by the balls their hearts and minds will follow.

I do not argue with obstinate men. I act in spite of them.

I am dying from the treatment of too many physicians.

An original idea. That can't be too hard. The library must be full of them.

Of all the things I`ve lost I miss my mind the most.

He alone, who owns the youth, gains the future.

Every man is guilty of all the good he did not do.