When I die I won't go to heaven or hell; there will just be nothingness.

Nothing has to be true, but everything has to sound true.

The greatest weapons in the conquest of knowledge are an understanding mind and the inexorable curiosity that drives it on.

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.

When life is so harsh that a man loses all hope in himself, then he raises his eyes to a shining rock, worshipping it, just to find hope again, rather than looking to his own acts for hope and salvation. Yes, atheism IS a redemptive belief. It is theism that denies man's own redemptive nature.

It is in meeting the great tests that mankind can most successfully rise to great heights. Out of danger and restless insecurity comes the force that pushes mankind to newer and loftier conquests.

There is no Master but the Master,” he said, “and QT-1 is his prophet.