Life is given us as a passion.

Let us face a pluralistic world in which there are no universal churches, no single remedy for all diseases, no one way to teach or write or sing, no magic diet, no world poets, and no chosen races, but only the wretched and wonderfully diversified human race.

The reason why research is like sculpting from memory is that in neither is there a concrete visible subject to copy directly. The subject - as sculptors themselves are fond of saying - is hidden in the block of material.

For the educated, the authority of science rested on the strictness of its methods; for the mass, it rested on the powers of explanation.

Time and rest are needed for absorption. Psychologists confirm that it is really in the summer that our muscles learn to skate and in the winter, how to swim.

Highly-adaptive, informal networks move diagonally and eliptically, skipping entire functions to get things done.

The educated man had throughout the ages found a way to covert passionate activity into silent and motionless pleasure. He can sit still in a room and not perish.