"I feel I shall find the truth on my deathbed and be surrounded by people too stupid to understand—fussing about medicines instead of searching for wisdom."

"The modern power of the State began in the late fifteenth century and began as a result of gunpowder."

"The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt."

"I would never die for my beliefs because I might be wrong."

"I would rather be a man of paradoxes than a man of prejudices."