The disastrous history of our species indicates the futility of all attempts at a diagnosis which do not take into account the possibility that homo sapiens is a victim of one of evolution's countless mistakes.

In the social equation, the value of a single life is nil; in the cosmic equation, it is infinite... Not only communism, but any political movement which implicitly relies on purely utilitarian ethics, must become a victim to the same fatal error. It is a fallacy as naïve as a mathematical teaser, and yet its consequences lead straight to Goya's Disasters, to the reign of the guillotine, the torture chambers of the Inquisition, or the cellars of the Lubianka.

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

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

Honor is decency without vanity.

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

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.