Intelligence is an accident of evolution, and not necessarily an advantage.

God, how that stings! I've spent a lifetime loving science fiction and now I find that you must expect nothing of something that's just science fiction.

Self-education is, I firmly believe, the only kind of education there is.

All roads lead to Trantor, says the old proverb, and that is where all stars end.

They absorb carbon monoxide and carbon dioxide and give out oxygen. What could be more desirable? And they look good in the bargain. Stop chopping down the rain forests and plant more saplings, and we're on our way.

It seems to me, Golan, that the advance of civilization is nothing but an exercise in the limiting of privacy.

It was obvious that bigotry was never a one-way operation, that hatred bred hatred!