The faith in which I was brought up assured me that I was better than other people; I was saved, they were damned.... Our hymns were loaded with arrogance - self-congratulation on how cozy we were with the Almighty and what a high opinion he had of us, what hell everybody else would catch come Judgment Day.

Faith is intellectual laziness.

Violence never settles anything should be debated by the ghosts of Hitler and Stalin, with the city fathers of Carthage as referees.

I believe that this hairless embryo with the aching, oversize brain case and the opposable thumb, this animal barely up from the apes, will endure --will endure longer than his home planet, will spread out to the other planets, to the stars, and beyond, carrying with him his honesty, his insatiable curiosity, his unlimited courage --and his noble essential decency. This I believe with all my heart.

If we blow ourselves up we will do it by misapplication of science; if we manage to keep from blowing ourselves up, it will be through intelligent application of science.

A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method.

Democracy is four wolves and a sheep voting on dinner.