Everything is theoretically impossible, until it is done.

To permit irresponsible authority is to sell disaster.

Man is not a rational animal, he is a rationalizing animal.

Certainly the game is rigged. Don't let that stop you; if you don't bet you can't win.

It’s not enough to be able to lie with a straight face; anybody with enough gall to raise on a busted flush can do that. The first way to lie artistically is to tell the truth — but not all of it. The second way involves telling the truth, too, but is harder: Tell the exact truth and maybe all of it…but tell it so unconvincingly that your listener is sure you are lying.

If you do not believe that a man will commit murder for one can of tomatoes, then you have never been hungry.

Learning . . . is - also an end in itself.