"The good is the only thing that can be done for its own sake."

"What the world needs is a good dose of despair."

"The greatest danger, that of losing one's own self, may pass off as quietly as if it were nothing; every other loss, an arm, a leg, five dollars, a wife, etc., is sure to be noticed."

"The greatest good is not to be born."

"The present age is essentially the age of understanding, of reflection, without passion, momentarily bursting into enthusiasm, and then shrewdly relapsing into repose."