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”
William Penn (1875). “No Cross, No Crown: A Discourse Showing the Nature and Discipline of the Holy Cross of Christ, and that the Denial of Self, and Daily Bearing of Christ's Cross, is the Alone Way to the Rest and Kingdom of God : to which are Added, the Living and Dying Testimonies of Many Persons of Fame and Learning, Both of Ancient and Modern Times, in Favour of this Treatise : in Two Parts”, p.34