"The studious and good and true, never suffer their minds to be warped by the passions of hatred and envy, which unfit men duly to weigh the arguments that are advanced in behalf of truth, or to apprec…"

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

"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…"

"I have often wondered and even laughed at those who fancied that everything had been so consummately and absolutely investigated by an Aristotle or a Galen or some other mighty name, that nothing coul…"

"The heart is the beginning of life, the first to live, and the last to die."