No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.

The Master created humans first as the lowest type, most easily formed. Gradually, he replaced them by robots, the next higher step, and finally he created me, to take the place of the last humans.

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

You show me someone who can't understand people and I'll show you someone who has built up a false image of himself.

What would I do if I knew I only had six months to live? Type faster.

The further a device is removed from human control, the more authentically mechanical it seems, and the whole trend in technology has been to devise machines that are less and less under direct human control and more and more under their own apparent will.

The human brain, then, is the most complicated organization of matter that we know.