Magic's just science that we don't understand yet.

Trying to predict the future is a discouraging and hazardous occupation. If by some miracle a prophet could describe the future exactly as it was going to take place, his predictions would sound so absurd that people everyone would laugh him to scorn. The only thing we can be sure of about the future is that it will be absolutely fantastic. So, if what I say now seems to you to be very reasonable, then I will have failed completely. Only if what I tell you appears absolutely unbelievable have we any chance of visualizing the future as it really will happen.

Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering.

Science can destroy religion by ignoring it as well as by disproving its tenets. No one ever demonstrated, so far as I am aware, the nonexistence of Zeus or Thor, but they have few followers now.

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

Astronomy, as nothing else can do, teaches men humility.

If there are any gods whose chief concern is man, they can't be very important gods.