William Harvey — "The blood carries nourishment to all parts of the body."

"Man comes into the world naked and unarmed, as if nature had destined him for a social creature, and ordained him to live under equitable laws and in peace..."

"The greatest art is to conceal art."

"The physician must be a philosopher, for there is not so great a difference between them."

"The animal's heart is the basis of its life, its chief member, the sun of its microcosm; on the heart all its activity depends, from the heart all its liveliness and strength arise. Equally is the kin…"

"I have seen the testicles of a hanged man twitch for a full hour after death, as if they still longed for life."