“There is a foolish corner in the brain of the wisest man.”

“And of course, the brain is not responsible for any of the sensations at all. The correct view is that the seat and source of sensation is the region of the heart.”

“These virtues are formed in man by his doing the actions ... The good of man is a working of the soul in the way of excellence in a complete life.”

“Man is his desire.”

“Man is by nature a political animal.”

“Hope is the dream of a waking man”

“The cultivation of the intellect is man's highest good and purest happiness”