Without the great arts which speak to the sense of beauty, a man seems to me a poor, naked, shivering creature. These are his becoming draperies, which warm and adorn him.

The machine unmakes the man. Now that the machine is so perfect, the engineer is nobody.

Nature turns all malfaisance to good.

How we hate this solemn Ego that accompanies the learned, like a double, wherever he goes.

All are needed by each one; Nothing is fair or good alone.

Greatness is a property for which no man gets credit too soon; it must be possessed long before it is acknowledged.

The motive of science was the extension of man, on all sides, into Nature, till his hands should touch the stars, his eyes see through the earth, his ears understand the language of beast and bird, and the sense of the wind; and, through his sympathy, heaven and earth should talk with him. But that is not our science.