The great law of culture is: Let each become all that he was created capable of being.

A well-written Life is almost as rare as a well-spent one.

The three great elements of modern civilization, gunpowder, printing, and the Protestant religion.

This great maxim of Philosophy he had gathered by the teaching of nature alone: That man was created to work, not to speculate, or feel, or dream.

Don't laugh at a youth for his affectations; he is only trying on one face after another to find his own.

The nurse of full-grown souls is solitude.

Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.