The temptation was great to muster what force we could and put up a fight. It's the easiest way out, and the most satisfactory to self-respect--but, nearly invariably, the stupidest.

There is not a discovery in science, however revolutionary, however sparkling with insight, that does not arise out of what went before.

I do not fear computers. I fear the lack of them.

A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.

Many a prophecy, by the mere force of its being believed, is transmuted to fact.

Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

A neat and orderly laboratory is unlikely. It is, after all, so much a place of false starts and multiple attempts.