"Happiness is the meaning and the purpose of life, the whole aim and end of human existence."

"Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human."

"It is clear, then, that some men are by nature free, and others slaves, and that for these latter slavery is both expedient and right."

"We are what we repeatedly do. Excellence, then, is not an act, but a habit."

"The female is also more given to idleness and more lazy, and more prone to sleep."