"I have been accused by some of daring to depart from the opinions of the ancients."

"The more accurately and industriously I have examined the matter, the more clearly have I perceived the truth."

"I have not only affirmed, but also demonstrated, that the motion of the heart is a perpetual circulation of the blood."

"The art of medicine is to prolong life, not to shorten it."

"It is not wealth or ancestry, but rather the spirit of the age, which has raised me to the highest pinnacle of fame."