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

"The blood is the source of life, and the heart is the fountain thereof."

"It is a thing alike wonderful and incredible, to observe how the blood, from the very beginning of its motion, is distributed from the heart through the whole body, and then returns to the heart again…"

"The whole world is a theatre, and all the men and women merely players."

"The physician must be a man of experience."