Fanaticism consists of redoubling your effort when you have forgotten your aim.

The mind of the Renaissance was not a pilgrim mind, but a sedentary city mind, like that of the ancients.

The spirit’s foe in man has not been simplicity, but sophistication.

For gold is tried in the fire and acceptable men in the furnace of adversity.

The irrational in the human has something about it altogether repulsive and terrible, as we see in the maniac, the miser, the drunkard or the ape.