Become who you are. Make what only you can make.

Whatever a theologian regards as true must be false: there you have almost a criterion of truth.

In constructing concepts, we overlook the fact that no two things are the same. There is no such thing as the concept of a leaf, only billions and billions of leaves.

The value of a man can only be measured with regard to other men.

Whatever is gold does not glitter. A gentle radiance belongs to the noblest metal.

But every soil becomes finally exhausted, and the ploughshare of evil must always come once more.

This woman is beautiful and clever: but how much cleverer she would have become if she were not beautiful!