I speak and the child plays: who can be more serious than we are?

The higher culture an individual attains, the less field there is left for mockery and scorn.

It is only possible through the fact that sympathy for the general life and suffering of mankind is very weakly developed in the individual.

There is more wisdom in your body than in your deepest philosophy.

Interest in Education will acquire great strength only from the moment when belief in a God and His care is renounced, just as the art of healing could only flourish when the belief in miracle cures ceased.

I have been casting shadows all my life without caring about how deeply they stain my soul.

Pain makes hens and poets cackle.