Moses Kaldor had always loved mountains; they made him feel nearer to the God whose nonexistence he still sometimes resented.

One of the biggest roles of science fiction is to prepare people to accept the future without pain and to encourage a flexibility of the mind. Politicians should read science fiction, not westerns and detective stories.

Before you become too entranced with gorgeous gadgets and mesmerizing video displays, let me remind you that information is not knowledge, knowledge is not wisdom, and wisdom is not foresight. Each grows out of the other, and we need them all.

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

Religion is a by-product of fear. For much of human history it may have been a necessary evil, but why was it more evil than necessary? Isn’t killing people in the name of god a pretty good definition of insanity?

Don't mess up the environment until you're quite sure what you're doing.

I want to be remembered most as a writer - one who entertained readers, and, hopefully, stretched their imagination as well.