Arthur Koestler

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

Scientists are peeping toms at the keyhole of eternity.

True creativity often starts where language ends.

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

The principal mark of genius is not perfection but originality, the opening of new frontiers.

Nothing is more sad than the death of an illusion.

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

Space-ships and time machines are no escape from the human condition. Let Othello subject Desdemona to a lie-detector test; his jealousy will still blind him to the evidence. Let Oedipus triumph over gravity; he won't triumph over his fate.

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.

If the creator had a purpose in equipping us with a neck, he surely meant us to stick it out.