“I speak Spanish to God, Italian to women, French to men, and German to my horse.”

“How absurd to try to make two men think alike on matters of religion when I cannot make two timepieces agree!”

“Iron hand in a velvet glove.”

“I have no desire for others to take it on themselves to analyze my thoughts. I am without thoughts. I have never, not even once, acted on the basis of any doctrine or philosophy.I am convinced that...”

“This is my doctrine: Give every other human being every right you claim for yourself.”

“Without the voice of reason, every faith is its own curse.")”