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.

Courage is never to let your actions be influenced by your fears.

The jester is brother to the sage.

History is a priori amoral; it has no conscience.

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.

The thing represented had to pass through two distorting lenses: the artist's mind, and his medium of expression, before it emerged as a man-made dream - the two, of course, being intimately connected and interacting with each other.

Without the hard little bits of marble which are called 'facts' or 'data' one cannot compose a mosaic; what matters, however, are not so much the individual bits, but the successive patterns into which you arrange them, then break them up and rearrange them.