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.

It is the 'follow through' that makes the great difference between ultimate success and failure, because it is so easy to stop.

People are very open-minded about new things - as long as they're exactly like the old ones.

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

A man must have a certain amount of intelligent ignorance to get anywhere.

Thinking is one thing no one has ever been able to tax.

I expect to spend the rest of my life in the future, so I want to be reasonably sure of what kind of future it's going to be. That is my reason for planning.