Ataraxia

Ataraxia is a term used in philosophy (especially ancient philosophical schools such as the Stoicism, Pyrrhonism and Epicurianism) to indicate an ultimate state of mental and/or physical happiness and well-being.

For the Epicureans this meant the state of ideal happiness derived from living well and avoiding "vexations" such as politics and unpleasant people and promoted the cultivation of personal virtues. To the Pyrrhonnists it meant living in a life of absolute balance in which no one thing is better than any other object. To the Stoics, ataraxia was not a state to be actively pursued but a consequence of the living of a virtuous life.