"Happiness is merely the interval between two sorrows."

"We can come to look upon the deaths of our enemies with as much regret as we feel for those of our friends, namely, when we miss their existence as witnesses to our success."

"The only certain antidote to the fear of death is the knowledge that we are already dead."

"If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it t…"

"Man is the only animal that causes pain to others for the mere pleasure of doing it."