If you want to make life easy, make it hard.

There is strong shadow where there is much light.

If one mistreats citizens of foreign countries, one infringes upon one's duty toward one's own subjects; for thus one exposes themto the law of retribution.

Behavior is the mirror in which everyone shows their image.

The spectacle of Nature is always new, for she is always renewing the spectators. Life is her most exquisite invention; and death is her expert contrivance to get plenty of life.

A school of art or of anything else is to be looked on as a single individual, who keeps talking to himself for a hundred years, and feels an extreme satisfaction with his own circle of favorite ideas, be they ever so silly.

No one has ever learned fully to know themselves.