When beauty is universal, it loses its power to move the heart, and only its absence can produce any emotional effect.

Religion is a byproduct of fear.

Now I'm a scientific expert; that means I know nothing about absolutely everything.

It is really quite amazing by what margins competent but conservative scientists and engineers can miss the mark, when they start with the preconceived idea that what they are investigating is impossible.

I would defend the liberty of consenting adult creationists to practice whatever intellectual perversions they like in the privacy of their own homes; but it is also necessary to protect the young and innocent.

Utopia was here at last: its novelty had not yet been assailed by the supreme enemy of a ll Utopias - boredom.

This is the first age that's ever paid much attention to the future, which is a little ironic since we may not have one.