Consider thyself to be dead, and to have completed thy life up to the present time; and live according to nature the remainder which is allowed thee.
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