Definition of "ataraxy" [ataraxy]

• The freedom from mental disturbance; imperturbability, dogged indifference. (noun)

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• "This fear is one source of perturbation (tarakhê), and is a worse curse than physical pain itself; the absence of such fear is ataraxy, lack of perturbation, and ataraxy, together with freedom from physical pain, is one way of specifying the goal of life, for Epicurus."
• "The first sighs for nothing but repose and liberty; he desires only to live, and to be exempt from labour; nay, the ataraxy of the most confirmed Stoic falls short of his consummate indifference for every other object."
• "Where law obtains, Epicurus indicates, it is preferable not to commit crimes, even secret ones, since there will always be anxiety over the possibility of detection, and this will disrupt the tranquillity or ataraxy that is the chief basis of happiness in life (see Principal Beliefs = KD 34 “ 35)."