Marcus Aurelius Quotes about Opportunity
Marcus Aurelius, C. Scot Hicks, David Hicks (2002). “The Emperor's Handbook: A New Translation of The Meditations”, p.41, Simon and Schuster
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.62, Lulu.com