William Harvey — "The most important thing in life is to be useful."
The most important thing in life is to be useful.
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More from William Harvey
"I have not only affirmed, but also demonstrated, the circulation of the blood."
"The blood is a spirit, and the spirit is the life."
"I have always preferred to learn and teach anatomy from actual dissection and not from books."
"I have been accused by some of daring to depart from the opinions of the ancients."
"I have seen, and by my own experiments, demonstrated the truth of what I assert."