He who does wrong does wrong against himself. He who acts unjustly acts unjustly to himself, because he makes himself bad.
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.52, Lulu.com
