"Medicine causes illness, Mathematics melancholy, and Theology sinful people."

"The Jews are a heavy burden, a plague, a pestilence, a sheer misfortune for our country."

"And should the peasants prevail (which God forbid!),... yet surely they who are found, sword in hand, shall perish in the wreck with clear consciences, leaving to the devil the kingdom of this world a…"

"What does not kill me makes me stronger."

"I have so much to do today, I'll need to spend another hour on my knees."