That which an age considers evil is usually an unseasonable echo of what was formerly considered good - the atavism of an old ideal.

Underneath the reality in which we live and have our being, another altogether different reality lies concealed.

Learning from one's enemies is the best way to love them, for it puts one into a grateful mood toward them.

Alas! There cometh the time when man will no longer give birth to any star. Alas! There cometh the time of the most despicable man, who can no longer despise himself.

A thing can only live through a pious illusion.

There are instances when we are like horses, we psychologists, and grow restless: we see our own shadow wavering up and down before us. A psychologist must look away from himself in order to see anything at all.

Madness is the exception in individuals but the rule in groups.