Old Professors never die, they just lose their faculties.

No one ever is defeated until defeat has been accepted as a reality.

I'm a slow walker, but I never walk back.

You reach a point where you don't work for money.

Practice does not make perfect. Perfect practice makes perfect.

There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

Nothing will work unless you do.

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.

Only put off until tomorrow what you are willing to die having left undone

Leadership and learning are indispensable to each other.

If you are not willing to risk the unusual, you will have to settle for the ordinary.

Advertising is legalized lying.

It has been my observation that most people get ahead during the time that others waste

Nothing is particularly hard if you divide it into small jobs

The whole secret of a successful life is to find out what is one's destiny to do, and then do it.

To know what people really think, pay regard to what they do, rather than what they say.

Let others lead small lives, but not you. Let others argue over small things, but not you. Let others cry over small hurts, but not you. Let others leave their future in someone else's hands, but not you.

The term 'serious actor' is kind of an oxymoron, isn't it? [Like] 'Republican party' [or] 'airplane food'.

Every individual has his own style, his own way of presenting himself on and off the field.

Whosoever desires constant success must change his conduct with the times.