“He who remains with himself for a long time, degrades.”

“People who shut their eyes to reality simply invite their own destruction, and anyone who insists on remaining in a state on innocence long after that innocence is dead turns himself into a monster.”

“He who loves not wine, women and song remains a fool his whole life long.”

“He who lets himself be whored by fashion will be whored by time.”

“He who is unfamiliar with mathematics [literally, he who is a layman in mathematics] remains more or less a stranger to our time.”

“No man remains quite what he was when he recognizes himself.”

“All authority is quite degrading. It degrades those who exercise it, and degrades those over whom it is exercised.”

“Long books, when read, are usually overpraised, because the reader wants to convince others and himself that he has not wasted his time.”

“He fell in love with himself at first sight and it is a passion to which he has always remained faithful.”

“The aim of the joke is not to degrade the human being, but to remind him that he is already degraded.”