The only substance properly so called is the soul.

To be always ready a man must be able to cut a knot, for everything cannot be untied.

Our greatest illusion is to believe that we are what we think ourselves to be.

[T]he habit of scientific analysis ... exhausts the material offered to it.

Nothing is more characteristic of a man than the manner in which he behaves toward fools.

The spirit of sarcasm lives and thrives in the midst of universal wreck; its balls are enchanted and itself invulnerable, and it braves retaliations and reprisals because itself is a mere flash, a bodiless and magical nothing.

Every landscape is, as it were, a state of the soul, and whoever penetrates into both is astonished to find how much likeness there is in each detail.