All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

I was gratified to be able to answer promptly, and I did. I said I didnt know.

Someone's sitting in the shade today because someone planted a tree a long time ago.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

To educate a person in the mind but not in morals is to educate a menace to society.

Judge not unless you judge yourself.

All battles are fought by scared men who'd rather be some place else.

The man with no imagination has no wings.

The cloud is free only to go with the wind. The rain is free only in falling.

If you paint in your mind a picture of bright and happy expectations, you put yourself into a condition conducive to your goal.

Remind yourself that God is with you and nothing can defeat you. Believe that you now receive power from Him.

Heterosexuality is not normal, it's just common.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

Those who fail to learn the lessons of history are doomed to repeat them.

Terrorism is the tactic of demanding the impossible, and demanding it at gunpoint.

You're never as good as everyone tells you when you win, and you're never as bad as they say when you lose.

I'm single because I was born that way.

I'm going to the back seat of my car, with the woman I love, and I won't be back for ten minutes!

Creativity is the process of having original ideas that have value.

There is nothing impossible to him who will try.

Too much of a good thing can be wonderful!