Happiness (n.) is closest to a philosophical life when it depends as little as possible on external things.
Happiness (n.) is that for which virtue is sufficient. The virtuous would be sick and yet happy, in peril and yet happy, dying and yet happy, in exile and yet happy, in disgrace and yet happy.
Happiness (n.) is achieved when one ceases to worry about the things which are beyond the power of one's will.
Happiness (n.) sought in things outside you is never found; you will trail groaning after whatever is stronger, looking where it is not and never where it is.
Happiness (n.) is not in power: if it were, men who had been consul two or three times would be happy, and listen to them groan.
Happiness (n.) cannot coexist with yearning for what is not at hand; the happy being must be like a man who has eaten his fill.
Happiness (n.) is best known by one mark: nothing can interrupt or obstruct it.