There is no right to deny freedom to any object with a mind advanced enough to grasp the concept and desire the state. -(from "The Bicentennial Man) story)

Science is a set of rules to keep us from telling lies to each other. All scientists really have is a reputation for telling the truth.

A fire-eater must eat fire even if he has to kindle it himself.

Never judge your own writing. You're not fit to do so.

Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

One might suppose that reality must be held to at all costs. However, though that may be the moral thing to do, it is not necessarily the most useful thing to do. The Greeks themselves chose the ideal over the real in their geometry and demonstrated very well that far more could be achieved by consideration of abstract line and form than by a study of the real lines and forms of the world; the greater understanding achieved through abstraction could be applied most usefully to the very reality that was ignored in the process of gaining knowledge.

In life, unlike chess, the game continues after checkmate.