There is nothing so eternally adhesive as the memory of power.

Science doesn't purvey absolute truth. Science is a mechanism... for testing your thoughts against the universe.

It's your fiction that interests me. Your studies of the interplay of human motives and emotion.

And [Asimov]'ll sign anything, hardbacks, softbacks, other people's books, scraps of paper. Inevitably someone handed him a blank check on the occasion when I was there, and he signed that without as much as a waver to his smile — except that he signed: 'Harlan Ellison.

Scientific truth is beyond loyalty and disloyalty.

Nothing has to be true, but everything has to sound true.

Robots will neither be common nor very good in 2014, but they will be in existence.