I think the first duty of all art, including fiction of any kind, is to entertain. That is to say, to hold interest. No matter how worthy the message of something, if it's dull, you're just not communicating.

Two lives met across death and centuries. To ask what it meant is meaningless. There is no destiny. But sometimes there is bravery

My knowledge of the human psyche is as yet imperfect. Certain areas won't yield to computation.

Give fear no hold on you. Keep sinews loose and senses open, ready at every instant to flow with the rush of action.

In Harvest of Stars, there is this notion, not original with me of course, that it will become possible to download at least the basic aspects of a human personality into a machine program.

A fanatic's willingness to kill or be killed in the service of a cause cannot prove the rightness of that cause.

I think the first duty of all art, including fiction of any kind, is to entertain. That is to say, to hold interest. No matter how worthy the message of something, if it's dull, you're just not communicating.