Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see.

There are no such things as incurables. There are only things for which man has not found a cure.

Age is only a number, a cipher for the records. A man can't retire his experience. He must use it. Experience achieves more with less energy and time.

Let us not be deceived we are today in the midst of a cold war.

America has never forgotten - and never will forget - the nobler things that brought her into being and that light her path...

Don't try to be a jack of all investments. Stick to the field you know best.

Never answer a critic, unless he's right.