Grow angry slowly - there's plenty of time.

The finest wits have their sediment.

As gas-light is found to be the best nocturnal police, so the universe protects itself by pitiless publicity.

Cunning is strength withheld.

Physical force has no value, where there is nothing else. Snow in snow-banks, fire in volcanoes and solfataras is cheap. The luxury of ice is in tropical countries, and midsummer days. The luxury of fire is, to have a little on our hearth; and of electricity, not the volleys of the charged cloud, but the manageable stream on the battery-wires. So of spirit, or energy; the rests or remains of it in the civil and moral man, are worth all the cannibals in the Pacific.

Magic and all that is ascribed to it is a deep presentiment of the powers of science.

Man Thinking must not be subdued by his instruments. Books are for the scholar's idle times. When he can read God directly, the hour is too precious to be wasted in other men's transcripts of their readings.