It is the business of the future to be dangerous and it is among the merits of science that it equips the future for its duties.

No one who achieves success does so without acknowledging the help of others. The wise and confident acknowledge this help with gratitude.

The art of progress is to preserve order amid change and to preserve change amid order.

If a dog jumps into your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.

There are no whole truths: All truths are half-truths.

Not ignorance, but ignorance of ignorance, is the death of knowledge.

Religion is the last refuge of human savagery.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

...the self-satisfied dogmatism with which mankind at each period of its history cherishes the delusion of the finality of existing modes of knowledge.

Knowledge shrinks as wisdom grows.

Symbolism is no mere idle fancy or corrupt degeneration: it is inherent in the very texture of human life.

How can you be bored? There are so many books to read!

Generosity is also marked by doing what one says one will do.

Balance your body for better results. A balanced body improves electrical communication to muscles and gets you stronger, faster.

The biggest challenge in business is not the competition, it's what goes on inside your own head

And, of course, customers really need to feel safe and are seeking reassurance when they fly.

Good intentions are no substitute for obedience.

Equality ... like freedom, exists only where you are now. Only as an egg in the womb are we all equal.

I'm a big fan of all the great movie devils, from Walter Huston to Ray Walston to Al Pacino to Jack Nicholson.

It's hard, when you're up to your armpits in alligators, to remember you came here to drain the swamp.

My friend Sally is a nudist. I went to her house. The closets have no doors. The walls are covered with see-through wallpaper.