William Harvey > Quotes

“Doctrine once sown strikes deep its root, and respect for antiquity influences all men.”
― William Harvey

“The heart of animals is the foundation of their life, the sovereign of everything within them, the sun of their microcosm, that upon which all growth depends, from which all power proceeds.”
― William Harvey, An anatomical disquisition on the motion of the heart and blood in animals

“Very many maintain that all we know is still infinitely less than all that still remains unknown.”
― William Harvey, On The Motion Of The Heart And Blood In Animals

“I profess to learn and to teach anatomy not from books but from dissections, not from the tenets of Philosophers but from the fabric of Nature.”
― William Harvey

“Good God! how should the mitral valves prevent the regurgitation of air and not of blood?”
― William Harvey, On The Motion Of The Heart And Blood In Animals

“...I found the task so truly arduous... that I was almost tempted to think... that the movement of the heart was only to be comprehended by God. For I could neither rightly perceive at first when the systole and when the diastole took place by reason of the rapidity of the movement...”
― William Harvey, On The Motion Of The Heart And Blood In Animals