Envy and jealousy are the private parts of the human soul. Perhaps the comparison can be extended.
Whatever we have words for, that we have already got beyond.
Whoever writes in blood and aphorisms wants not to be learned but to be learned by heart.
No artist will tolerate the world for one second as it is.
All signs of superhuman nature appear in man as illness or insanity.
He who cannot obey himself will be commanded. That is the nature of living creatures.