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

Some of the greatest discoveries...consist mainly in the clearing away of psychological roadblocks which obstruct the approach to reality; which is why,post factum they appear so obvious.

When all is said, its atmosphere [England's] still contains fewer germs of aggression and brutality per cubic foot in a crowded bus, pub or queue than in any other country in which I have lived

The progress of science, like an ancient desert trail, is strewn with the bleached skeletons of discarded theories, doctrines, and axioms which seemed to possess eternal life.

Wars are not fought for territory, but for words. Man's deadliest weapon is language. He is as susceptible to being hypnotized by slogans as he is to infectious diseases. And where there is an epidemic, the group-mind takes over.

[My father] loved me tenderly and shyly from a distance, and later on took a naive pride in seeing my name in print.

If power corrupts, the reverse is also true; persecution corrupts the victims though perhaps in subtler and more tragic ways.