William Harvey — "The animal body is a commonwealth, in which every member is a subject to the who…"

"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…"

"The human body is a machine, but it is also a living soul."

"I have often wondered and even laughed at those who fancied that everything had been so consummately and absolutely investigated by an Aristotle or a Galen or some other mighty name, that nothing coul…"

"The physician must be a constant student."

"The circulation of the blood is a miracle of nature."