By challenging anthropocentricism and temporal provincialism, science fiction throws open the whole of civilization and its premises to constructive criticism.

The next major explosion is going to be when genetics and computers come together.

Human beings were held accountable long before there were corporate bureaucracies. If the knight didn't deliver, the king cut off his head.

You've got to think about big things while you're doing small things, so that all the small things go in the right direction.

The secret message communicated to most young people today by the society around them is that they are not needed, that the society will run itself quite nicely until they - at some distant point in the future - will take over the reigns. Yet the fact is that the society is not running itself nicely... because the rest of us need all the energy, brains, imagination and talent that young people can bring to bear down on our difficulties. For society to attempt to solve its desperate problems without the full participation of even very young people is imbecile.

Knowledge is knowing... or knowing where to find out.

The first rule of survival is clear: Nothing is more dangerous than yesterday's success.