«Education at school continues what has been done at home: it crystallizes the optical illusion, consolidates it with book learning, theoretically legitimizes the traditional trash and trains the children to know without understanding and to accept denominations for definitions. Astray in his conceptions, entangled in words, man loses the flair for truth, the taste for nature. What a powerful intellect must you possess, to be suspicious of this moral carbon dioxide and with your head swimming already, to hurl yourself out of it into the fresh air, with which, into the bargain, everyone round is trying to scare you!»

«As long as there are entrenched social and political distinctions between sexes, races, or classes, there will be forms of science whose main function is to rationalize and legitimize these distinctions»