History is a priori amoral; it has no conscience.

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

The cell door slammed behind Rubishov.

The Revolutionary's Utopia, which in appearance represents a complete break with the past, is always modeled on some image of the Lost Paradise, of a legendary Golden Age... All utopias are fed from the source of mythology; the social engineers' blueprints are merely revised editions of the ancient text.

Somebody once asked Niels Bohr why he had a horseshoe hanging above the front door of his house. Surely you, a world famous physicist, can't really believe that hanging a horseshoe above your door brings you luck? Of course not, Bohr replied, but I have been reliably informed that it will bring me luck whether I believe in it or not.

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.

In my youth I regarded the universe as an open book, printed in the language of equations, whereas now it appears to me as a text written in invisible ink, of which in our rare moments of grace we are able to decipher a small segment.