Marriages that made out of love (so-called "love-matches") have error as their father and misery (necessity) as their mother.

Both classically- and romantically-minded spirits-inasmuch as these two species always exist-occupy themselves with a vision of the future: but the former do so out of a strength of their age, the latter out of its weakness.

I am not a man, I am dynamite!

Just as bones, tissues, intestines, and blood vessels are enclosed in a skin that makes it possible to bear the sight of a human being, so the agitations and passions of the soul are wrapped up in vanity: it is the soul's skin.

To get into just those situations where sham virtues will not suffice, but rather where, as with the ropedancer on his rope, one either falls or stands--or gets down.

Every extension of knowledge arises from making the conscious the unconscious.

Whoever feels predestined to see and not to believe will find all believers too noisy and pushy: he guards against them.