St. Therese of Lisieux (2013). “Story of a Soul The Autobiography of St. Therese of Lisieux: Third Edition Translated from the Original Manuscripts”, p.127, ICS Publications
Charles Haddon Spurgeon (1988). “Spurgeon at His Best: Over 2200 Striking Quotations from the World's Most Exhaustive and Widely-read Sermon Series”, Baker Publishing Group