All we know is still infinitely less than all that still remains unknown.
Blood circulation
A statement reflecting scientific humility and the vastness of unexplored knowledge, from 'De Motu Cordis' (1628), Dedication to Doctor Argent.
1628
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Cross Reference
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"The circulation of the blood is a miracle of nature."
Strange & Unusual"There is no science which does not spring from pre-existing knowledge, and no certain and definite idea which has not derived its origin from the senses."
Philosophical"The most important thing in life is to be useful."
Strange & Unusual"The heart is the sun of the microcosm."
Strange & Unusual"I have not only affirmed, but also demonstrated, that the motion of the heart is a perpetual circulation of the blood."
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