“The most detestable wickedness, the most horrid cruelties, and the greatest miseries, that have afflicted the human race have had their origin in this thing called revelation, or revealed religion....”

“Let them call me a rebel and welcome. I feel no concern from it. But should I suffer the misery of devils, were I to make a whore of my soul.”

“It is error only, and not truth, that shrinks from inquiry.”

“Nothing, they say is more certain than death, and nothing more uncertain than the time of dying”

“That there are men in all countries who get their living by war, and by keeping up the quarrels of Nations is as shocking as it is true...”

“The mind once enlightened cannot again become dark.”

“Anyone who is capable of getting themselves made President should on no account be allowed to do the job.”

“Politics determines who has the power, not who has the truth.”

“Immer wieder behauptete Unwahrheiten werden nicht zu Wahrheiten, sondern, was schlimmer ist, zu Gewohnheiten.”