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.

It is not a disgrace to fail. Failing is one of the greatest arts in the world.

I am not interested in the past. I am interested in the future, for that is where I expect to spend the rest of my life.

If you want to kill any idea in the world, get a committee working on it.

here is a great difference between knowing a thing and understanding it. You can know a lot and not really understand anything.

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

The opportunities of man are limited only by his imagination. But so few have imagination that there are ten thousand fiddlers to one composer.