The rash assertion that "God made man in His own image" is ticking like a time bomb at the foundation of many faiths.

Nowhere in space will we rest our eyes upon the familiar shapes of trees and plants, or any of the animals that share our world. Whatsoever life we meet will be as strange and alien as the nightmare creatures of the ocean abyss, or of the insect empire whose horrors are normally hidden from us by their microscopic scale.

Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.

Until we get rid of religion, we won't be able to conduct the search for God.

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

Attempting to define science fiction is an undertaking almost as difficult, though not so popular, as trying to define pornography... In both pornography and SF, the problem lies in knowing exactly where to draw the line.

He found it both sad and fascinating that only through an artificial universe of video images could she establish contact with the real world.