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Quotation from On the Motion of the Heart and Blood in Animals (De Motu Cordis) by William Harvey
“It could be furnished in no other way than by making a circuit and returning.”
On the Motion of the Heart and Blood in Animals (De Motu Cordis), Ch. IX, trans. Robert Willis

The conclusion of the quantitative argument: the blood expelled by the heart far exceeds anything food could supply.
Citation: "It could be furnished in no other way than by making a circuit and returning." — William Harvey, On the Motion of the Heart and Blood in Animals (De Motu Cordis), Ch. IX, trans. Robert Willis. (id harvey-on-the-motion-of-the-heart-and-blood-q6)
Portrait: William Harvey 2, After Daniël Mijtens, Public domain.
