An educator never says what he himself thinks, but only that which he thinks it is good for those whom he is educating to hear.

The good four. Honest with ourselves and with whatever is friend to us; courageous toward the enemy; generous toward the vanquished; polite-always that is how the four cardinal virtues want us.

Growth in wisdom can be measured precisely by decline in bile.

There are no eternal facts, as there are no absolute truths.

Without art we would be nothing but foreground and live entirely in the spell of that perspective which makes what is closest at hand and most vulgar appear as if it were vast, and reality itself.

Digressions, objections, delight in mockery, carefree mistrust are signs of health.

Truth is a mobile army of metaphors, metonyms, anthropomorphisms, in short a sum of human relations which have been subjected to poetic and rhetorical intensification, translation and decoration […]; truths are illusions of which we have forgotten that they are illusions, metaphors which have become worn by frequent use and have lost all sensuous vigour […]. Yet we still do not know where the drive to truth comes from, for so far we have only heard about the obligation to be truthful which society imposes in order to exist" from, "On Truth and Lying in a Non-Moral Sense".