When the author has no idea of what to reply to a critic, he then likes to say: you could not do it better anyway. This is the same as if a dogmatic philosopher reproached a skeptic for not being able to devise a system.

Whoever does not philosophize for the sake of philosophy, but rather uses philosophy as a means, is a sophist.

It is peculiar to mankind to transcend mankind.

He who does not become familiar with nature through love will never know her.

All the great truths are basically trivial and so we have to find new ways, preferably paradoxical ways, of expressing them, in order to keep them from falling into oblivion.

A classification is a definition comprising a system of definitions.

Wit is the appearance, the external flash, of fantasy. Hence its divinity and the similarity to the wit of mysticism.