I don't believe in astrology; I'm a Sagittarius and we're skeptical.

All explorers are seeking something they have lost. It is seldom that they find it, and more seldom still that the attainment brings them greater happiness than the quest.

God said, 'Cancel Program GENESIS.' The universe ceased to exist.

I have great faith in optimism as a guiding principle, if only because it offers us the opportunity of creating a self-fulfilling prophecy.

My objection to organized religion is the premature conclusion to ultimate truth that it represents.

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.

Science is the only religion of mankind.