Original love never appears in pure form, but in manifold veils and shapes, such as confidence, humility, reverence, serenity, asfaithfulness and modesty, as gratefulness; but primarily as longing and wistful melancholy.

Mathematics is, as it were, a sensuous logic, and relates to philosophy as do the arts, music, and plastic art to poetry.

Can we expect the redemption of the world from scholars? I doubt it. But the time has come for all artists to join together as a confederation in an eternal league.

It is peculiar to mankind to transcend mankind.

There is no self-knowledge except historical self-knowledge. No one knows what he is if he doesn't know what his contemporaries are.

The subject of history is the gradual realization of all that is practically necessary.

Separate religion from morality, and you have the true energy for evil within man, the terrible, cruel, devastating, and inhuman principle which naturally lies in his spirit. Here the division of the indivisible punishes itself most awfully.