Every father should remember one day his son will follow his example, not his advice.

Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.

The only time you mustn't fail is the last time you try.

All human development, no matter what form it takes, must be outside the rules; otherwise we would never have anything new.

High achievement always takes place in the framework of high expectation.

The difference between intelligence and an education is this: that intelligence will make a good living for you, but education won't do much for you at all.

You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.