The true artist is quite rational as well as imaginative and knows what he is doing; if he does not, his art suffers.

I'm not a speed reader. I'm a speed understander.

However, I continue to try and I continue, indefatigably, to reach out. There's no way I can single-handedly save the world or, perhaps, even make a perceptible difference - but how ashamed I would be to let a day pass without making one more effort.

There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death.

Writing is my only interest. Even speaking is an interruption.

It is the writer who might catch the imagination of young people, and plant a seed that will flower and come to fruition.

A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.