Do people conform to the instructions of us old ones? Each thinks he must know best about himself, and thus many are lost entirely.

There is nothing outside of us that is not at the same time in us, and as the external world has its colors the eye, too, has colors.

The threshold is the place of expectation.

Just begin and the mind grows heated; continue, and the task will be completed!

But one must know where one stands, and where the others wish to go.

The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.

Alas! how much there is in education, and in our social institutions, to prepare us and our children for insanity.