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

The Régime did not want Communists; it wanted robots. It will take at least a generation to change them back into humans again.

Conscious and unconscious experiences do not belong to different compartments of the mind; they form a continuous scale of gradations, of degrees of awareness.

Newton's apple and Cezanne's apple are discoveries more closely related than they seem.

The moment of truth, the sudden emergence of a new insight, is an act of intuition.

I profoundly admire Aldous Huxley, both for his philosophy and uncompromising sincerity. But I disagree with his advocacy of 'the chemical opening of doors into the Other World', and with his belief that drugs can procure 'what Catholic theologians call a gratuitous grace'. Chemically induced hallucinations, delusions and raptures may be frightening or wonderfully gratifying; in either case they are in the nature of confidence tricks played on one's own nervous system.

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