No religion can be considered in abstraction from its followers, or even from its various types of followers.

We must produce a great age, or see the collapse of the upward striving of our race.

Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise. "Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much closer to the truth. The basis of growth of modern invention is science, and science is almost wholly the outgrowth of pleasurable intellectual curiosity.

Youth is life as yet unblemished by much tragedy, but hardly by TV.

It is the business of future to be dangerous.... The major advances in civilization are processes that all but wreck the societies in which they occur.

When you're average, you're just as close to the bottom as you are the top.

Life is an offensive, directed against the repetitious mechanism of the Universe.