A publisher who writes is like a cow in a milk bar.
Arthur Koestler

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.
Arthur Koestler

Courage is never to let your actions be influenced by your fears.
Arthur Koestler

Creative activity could be described as a type of learning process where teacher and pupil are located in the same individual.
Arthur Koestler

Nothing is more sad than the death of an illusion.
Arthur Koestler

One may not regard the world as a sort of metaphysical brothel for emotions.
Arthur Koestler

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.
Arthur Koestler

Prometheus is reaching out for the stars with an empty grin on his face.
Arthur Koestler

Scientists are peeping toms at the keyhole of eternity.
Arthur Koestler

The definition of the individual was: a multitude of one million divided by one million.
Arthur Koestler

The more original a discovery, the more obvious it seems afterwards.
Arthur Koestler

The most persistent sound which reverberates through man's history is the beating of war drums.
Arthur Koestler

The prerequisite of originality is the art of forgetting, at the proper moment, what we know.
Arthur Koestler

The principle mark of genius is not perfection but originality, the opening of new frontiers.
Arthur Koestler

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.
Arthur Koestler

True creativity often starts where language ends.
Arthur Koestler