“Heretics are the only bitter remedy against the entropy of human thought.”

“You are afraid of it because it is stronger than you; you hate it because you are afraid of it; you love it because you cannot subdue it to your will. Only the unsubduable can be loved.”

“Literature is painting, architecture, and music.”

“knowledge, absolutely sure of its infallibility, is faith”

“Knowledge, self confident knowledge, which is sure that it is faultless, is faith.”

“Happiness without freedom, or freedom without happiness. There was no third alternative.”