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Quotation from On the Motion of the Heart and Blood in Animals (De Motu Cordis) by William Harvey
“so much doth wont and custom become a second nature. Doctrine once sown strikes deep its root, and respect for antiquity influences all men. Still the die is cast, and my trust is in my love of truth and the candour of cultivated minds.”
On the Motion of the Heart and Blood in Animals (De Motu Cordis), Ch. VIII, trans. Robert Willis
Before announcing the circulation, Harvey admits that he fears making mankind at large his enemies.
Citation: "so much doth wont and custom become a second nature. Doctrine once sown strikes deep its root, and respect for antiquity influences all men. Still the die is cast, and my trust is in my love of truth and the candour of cultivated minds." — William Harvey, On the Motion of the Heart and Blood in Animals (De Motu Cordis), Ch. VIII, trans. Robert Willis. (id harvey-on-the-motion-of-the-heart-and-blood-q3)
Portrait: William Harvey 2, After Daniël Mijtens, Public domain.
