Nothing is true, but that which is simple.
It is impossible that beauty should ever distinctly appreciate itself.
The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.
On top of the world, or in the depths of despair.
What one has wished for in youth, in old age one has in abundance.
Never by reflection, but only by doing is self- knowledge possible to one.