There is no limit to which a man will not go to avoid thinking.

Being busy does not always mean real work.

Maturity is often more absurd than youth and very frequently is most unjust to youth.

There is no substitute for hard work.

I've realized that most of my best ideas have followed a good night's sleep.

Most of my ideas belonged to other people who never bothered to develop them.

We don't know a millionth of one percent about anything.