John Wesley, John Emory (1835). “The Works of the Late Reverend John Wesley, A.M.: From the Latest London Edition with the Last Corrections of the Author, Comprehending Also Numerous Translations, Notes, and an Original Preface, Etc”, p.261
John Wesley (1827). “The Works of the Rev. John Wesley: A plain account of Christian perfection. The appeals to men of reason and religion. Principles of the Methodists, &c”, p.62