Anyone personally inclined to construct the world from the subject will not regret the argument that the subject is always only an individual in the phenomenon and therefore requires a certain share of truth and error in order to achieve its individuality. Nothing, however, differentiates men more than the amounts that these two ingredients are mixed in different proportions.

—Goethe, in a letter to Schopenhaur, found in Safranski's Schopenhaur and the Wild Years of Philosophy