Every being ought to do that which is according to its constitution; and all other things have been constituted for the sake of the superior, but the rational for the sake of one another.
Marcus Aurelius, Epictetus, Lucius Annaeus Seneca (2015). “Stoic Six Pack: Meditations of Marcus Aurelius The Golden Sayings Fragments and Discourses of Epictetus Letters from a Stoic and The Enchiridion”, p.41, Lulu.com
