Nature is nowhere accustomed more openly to display her secret mysteries than in cases where she shows traces of her workings apart from the beaten path.
Blood circulation
From 'De Generatione Animalium', on scientific observation.
1651
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"The examination of the bodies of animals has always been my delight."
Controversial"The circulation of the blood is the greatest discovery ever made in medicine."
Strange & Unusual"What remains to be said is of so novel and unheard of a character that I not only fear injury to myself from the envy of a few, but I tremble lest I have mankind at large for my enemies, so much to wo…"
Shocking"Nature is a free and open book, to be read and understood by all who have the patience and the power to do so."
Philosophical"The book of nature is the only book that offers a wealth of content on every one of its pages."
Strange & Unusual