I don't pretend we have all the answers. But the questions are certainly worth thinking about.

The more wonderful the means of communication, the more trivial, tawdry, or depressing its contents seemed to be.

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

The success of a science fiction writer is if he can write a good read.

The crossing of space ... may do much to turn men's minds outwards and away from their present tribal squabbles. In this sense, the rocket, far from being one of the destroyers of civilisation, may provide the safety-value that is needed to preserve it.

At the present rate of progress, it is almost impossible to imagine any technical feat that cannot be achieved - if it can be achieved at all - within the next few hundred years.

One of the great tragedies of mankind is that morality has been hijacked by religion.