I began to think whether there might not be a motion as it were in a circle.
Blood circulation
De Motu Cordis, Chapter 8 (Describing his initial hypothesis)
1628
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"Nature is the best teacher."
Strange & Unusual"The valves in the veins are so constructed as to permit the passage of blood towards the heart, but to prevent its return."
Strange & Unusual"The physician must be a constant student."
Strange & Unusual"It is only when we have satisfied ourselves by careful dissection that we can truly understand the nature of things."
Strange & Unusual"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…"
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