The progress of science is strewn, like an ancient desert trail, with the bleached skeleton of discarded theories which once seemed to possess eternal life.
The more original a discovery, the more obvious it seems afterwards.
Politics can be relatively fair in the breathing spaces of history; at its critical turning points there is no other rule possible than the old one, that the end justifies the means.
The principle mark of genius is not perfection but originality, the opening of new frontiers.
A writer's ambition should be to trade a hundred contemporary readers for ten readers in ten years' time and for one reader in a hundred years' time.
The most persistent sound which reverberates through man's history is the beating of war drums.
Prometheus is reaching out for the stars with an empty grin on his face.
The prerequisite of originality is the art of forgetting, at the proper moment, what we know.
Every creative act involves...a new innocence of perception, liberated from the cataract of accepted belief.
One may not regard the world as a sort of metaphysical brothel for emotions.
If the creator had a purpose in equipping us with a neck, he surely meant us to stick it out.
The definition of the individual was: a multitude of one million divided by one million.
Creative activity could be described as a type of learning process where teacher and pupil are located in the same individual.