"I have myself, in my dissections, seen the blood flow from the right ventricle into the pulmonary artery, and from the pulmonary vein into the left auricle."

"I have often wondered, and indeed not a little, at the great difference of opinion among anatomists and physicians in the matter of the pulse and the motion of the heart."

"Without the circulation of the blood, there can be no true life."

"He who studies anatomy knows more than he who studies books."

"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..."