Happiness belongs to the self sufficient.
Greatness of Soul seems therefore to be as it were a crowning ornament of the virtues; it enhances their greatness, and it cannot exist without them. Hence it is hard to be truly great-souled, for greatness of soul is impossible without moral nobility.
If you would understand anything, observe its beginning and its development
Teaching is the highest form of understanding.
Happiness is a quality of the soul...not a function of one's material circumstances.
Excellence, then, is a state concerned with choice, lying in a mean, relative to us, this being determined by reason and in the way in which the man of practical wisdom would determine it.