He was moving through a new order of creation, of which few men had ever dreamed. Beyond the realms of sea and land and air and space lay the realms of fire, which he alone had been privileged to glimpse. It was too much to expect that he would also understand.

'The Devil in the Dark' impressed me because it presented the idea, unusual in science fiction then and now, that something weird, and even dangerous, need not be malevolent. That is a lesson that many of today's politicians have yet to learn.

No one of intelligence resents the inevitable.

Can the synthesis of man and machine ever be stable, or will the purely organic component become such a hindrance that it has to be discarded?

I have never grown up, but I will never stop growing.

Magic's just science that we don't understand yet.

It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.