William Harvey — "I avow myself the partisan of truth alone."

"Man comes into the world naked and unarmed, as if nature had destined him for a social creature, and ordained him to live under equitable laws and in peace..."

"He who studies anatomy knows more than he who studies books."

"I began to think whether there might not be a motion as it were in a circle."

"I have not been afraid to publish my thoughts, knowing that truth, though for a time suppressed, will at last prevail."

"The heart is the beginning of life; the sun of the microcosm, even as the sun in his turn might well be designated the heart of the world; for it is the heart by whose virtue and pulse the blood is mo…"