We read the world wrong and say that it deceives us. The poet who walks by moonlight knows that the moon is the sun and that the darkness is a brilliant day.

The chief danger of our age is that all mankind should be sunk in a depression of the same kind, all held in the same mold by the oppressiveness of a system of thought in which there is neither criticism of life nor xiety about truth.

The great tragedy of science—the slaying of a beautiful hypothesis by an ugly fact.