I don't think I've ever held a racket in my hand ... There's got to be somebody in the US who isn't trying to play tennis and stinking up the court.

In life, people will take you at your own reckoning.

I have never written a book that didn't teach me far more than it taught my reader.

Tens of millions of Americans who neither know or understand the actual arguments for, or even against, evolution, march in the Army of the Night with their Bibles held high

No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.

The true delight is in the finding out rather than in the knowing.

Nonsense! The most hopelessly stupid man is he who is not aware that he is wise.