"The arch-flatterer, with whom all the petty flatterers have intelligence, is a man's self."

"The true and lawful goal of the sciences is none other than this: that human life be endowed with new discoveries and powers."

"Wives are young men's mistresses, companions for middle age, and old men's nurses."

"For good and evil, there is no place for neutrality."

"Revenge is a kind of wild justice."