Superhuman effort isn't worth a damn unless it achieves results.

I chose life over death for myself and my friends... I believe it is in our nature to explore, to reach out into the unknown. The only true failure would be not to explore at all.

If you're a leader, a fellow that other fellows look to, you've got to keep going.

Difficulties are just things to overcome after all.

By endurance we conquer.

I have often marveled at the thin line which separates success from failure.

Optimism is true moral courage.

A man must shape himself to a new mark directly the old one goes to ground.

When things are easy, I hate it.

I called to the other men that the sky was clearing, and then a moment later I realized that what I had seen was not a rift in the clouds but the white crest of an enormous wave.

I do not know what 'moss' stands for in the proverb , but if it stood for useful knowledge... I gathered more moss by rolling than I ever did at school.

Think of it as an eight-dimensional onion.’ Justine straightened her back and gave her father an exasperated look. ‘Thanks, Dad. That’s helpful. I always think in those terms, it really helps a lot.

You don't make your words true by embellishing them with religious lace. In making your speech sound more religious, it becomes less true.

Book dedication To myself, without whose inspired and tireless efforts this book would not have been possible.

I'm not gonna do the same, tired, standard 'I was born in a log cabin' kind of book. There's so much more I want to do.

I was an original member of the Actors' Studio.

I am only serious about 20% of the time; one of the great joys of my life is the fact that I alone know when that is.

It's physically very, very, very trying to be onstage as a performer, not unlike an athlete, for thirty years.

Humans persecute their different ones, yet they need them to give themselves definition and status.

I worked in Hollywood as a reader and a would-be writer for about 6 years before I sold my first story.

Exercise is overrated.