William Penn (1857). “Primitive Christianity revived in the faith and practice of the people called Quakers: Written in testimony to the present dispensation of God through them to the world that prejudices may be removed, the simple informed, the well-inclined encouraged, and the truth, and its innocent friends rightly represented”
Epictetus, Marcus Aurelius, Lucius Annaeus Seneca (2016). “Stoic Six Pack: Meditations of Marcus Aurelius, Golden Sayings, Fragments and Discourses of Epictetus, Letters from a Stoic and The Enchiridion”, p.18, Enhanced Media Publishing