The universe must be full of voices, calling from star to star in a myriad tongues. One day we shall join that cosmic conversation.

A precondition for being a science fiction writer other than an interest in the future is that, an interest - at least an understanding of science, not necessarily a science degree but you must have a feeling for the science and its possibilities and its impossibilities, otherwise you're writing fantasy. Now, fantasy is also fine, but there is a distinction, although no one's ever been able to say just where the dividing lines come.

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.

Any technology distinguishable from magic is insufficiently advanced.

In the long run, there are no secrets. in science. The universe will not cooperate in a cover-up.

The intelligent minority of this world will mark 1 January 2001 as the real beginning of the 21st century and the Third Millennium.

I will not be afraid because I understand ... And understanding is happiness.