Epictetus. (c.A.D. 50c.A.D. 138). The Golden Sayings of Epictetus.
The Harvard Classics. 190914.
If what philosophers say of the kinship of God and Men be true, what remains for men to do but as Socrates did:never, when asked ones country, to answer, I am an Athenian or a Corinthian, but I am a citizen of the world.