The fish that first ventured ashore had considerable practical problems.

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

He had seen too much of the cosmos to have any great faith in man's ability to understand it.

Machines can only find what ignorant men have programmed them to find.

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

Will none wipe the sneer off the face of the cosmos?

Anybody can find infinite Mandelbrot figures in his navel.