There is no tyranny so hateful as a vulgar and anonymous tyranny. It is all-permeating, all-thwarting; it blasts every budding novelty and sprig of genius with its omnipresent and fierce stupidity. Such a headless people has the mind of a worm and the claws of a dragon.

Philosophy may describe unreasoning, as it may describe force; it cannot hope to refute them.

Eternal vigilance is the price of knowledge.

People are usually more firmly convinced that their opinions are precious than that they are true.

To reform means to shatter one form and to create another; but the two sides of this act are not always equally intended nor equally successful.

It is the acme of life to understand life.

The soul, too has her virginity and must bleed a little before bearing fruit.