Face the facts of being what you are, for that is what changes what you are.

A man can do what he wants, but not want what he wants.

I want to put a ding in the universe.

I apologize for lying to you. I promise I won't deceive you except in matters of this sort.

When you do things from your soul, you feel a river moving in you, a joy.

Freedom is from within.

Reputation is what men and women think of us; character is what God and angels know of us.

My loneliness was born when men praised my talkative faults and blamed my silent virtues.

I am not a saint, unless you think of a saint as a sinner who keeps on trying.

Thought is free.

You are 27 or 28 right? It is very tough to live at that age. When nothing is sure. I have sympathy with you.

Advice to intellectuals: let no-one represent you.

If the only prayer you said was thank you, that would be enough.

A good goal is like a strenuous exercise - it makes you stretch.

Dare to risk public criticism.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Computers are useless. They can only give you answers.

All the perplexities, confusion and distress in America arise, not from defects in their Constitution or Confederation, not from want of honor or virtue, so much as from the downright ignorance of the nature of coin, credit and circulation.

Enthusiasm... the sustaining power of all great action.

Boards don't hit back.

When the student is ready, the teacher will appear.