The earth has a skin and that skin has diseases; one of its diseases is called man.

Forgetting: that is a divine capacity. And whoever aspires to the heights and wants to fly must cast off much that is heavy and make himself light--I call it a divine capacity for lightness.

What separates two people most profoundly is a different sense and degree of cleanliness.

Freedom of opinion is like health; both are individual, and no good general conception can be set up of either of them.

I conjure you, my brethren, to remain faithful to earth, and do not believe those who speak unto you of super terrestrial hopes! Poisoners they are, whether they know it or not.

Love your enemies because they bring out the best in you.

Not with wrath do we kill, but with laughter. Come, let us kill the spirit of gravity!