"Even if she was the devil's own daughter, God strike me down if I never have her. May all the devils in hell make off with my soul if he lays a finger on her before I do!"

"Fear and ignorance, you will continue, are two mainstays of any and all religions."

"I have always been convinced that the universe is a place of perpetual motion, and that this motion is always tending towards destruction."

"Nature has made us perverse, and we are only following her dictates."

"Nature, in order to enjoy her pleasures, must be cruel."