In the last analysis civilization is based upon the food supply.

Woe to him who teaches men faster than they can learn.

A history of civilization shares the presumptuousness of every philosophical enterprise: it offers the ridiculous spectacle of a fragment expounding the whole. Like philosophy, such a venture has no rational excuse, and is at best but a brave stupidity; but let us hope that, like philosophy, it will always lure some rash spirits into its fatal depths.

Music and religion are as intimately related as poetry and love; the deepest emotions require for their civilized expression the most emotional of arts.

The victors called the revolution a triumph of liberty; but now and then liberty in the slogans of the strong means freedom from restraint in the exploitation of the weak.

History seldom destroys that which does not deserve to die; and the burning of the tares makes for the next sowing a richer soil.

Freedom and equality are naturan born enemies.