Theologian
Tillich, Paul. "The Courage to Be." 1950-1951, Yale University, New Haven, CT, USA. Lecture.
Tillich, Paul. The Courage to Be. Yale University Press, 2014.
Saint Thomas Aquinus. Summa Theologica. c. 1274, pt. 1-2.
Saint Thomas Aquinus. The Summa Theologica of St. Thomas Aquinas, translated by Fathers of the English Dominican Provinc. Christian Classics, 1981, pt. 1-2.
Augustine. De libero arbitrio voluntatis [On Free Choice of the Will]. c. 389, 1.5.11.33.
Augustine. "On the Free Choice of the Will." Augustine: On the Free Choice of the Will, On Grace and Free Choice, and Other Writings, edited by Peter King. Cambridge University Press, 2010, 1.5.11.33.
Said following a mystical experience, after which Tolstoy did no more teaching or writing.
St. Thomas Aquinus. Reply to Reginald of Piperno. c. 6 Dec. 1273.
St. Thomas Aquinus. Quoted in The Life of Saint Thomas Aquinas: Biographical Documents, written by Kenelm Foster. Longmans, Green and Company/Helicon Press, 1959.
Luther, Martin. Tischreden [Table Talk]. Eisleben, 1566.
Luther, Martin. The Table Talk of Martin Luther, edited by Thomas S. Kepler. Dover Press, 2005.
Edwards, Jonathan. "Men Naturally God's Enemies." Aug. 1736, United States, sect. 1.
Edwards, Jonathan. "Men Naturally God's Enemies." The Works of Jonathan Edwards, edited by Edward Hickman. Vol. 2, Banner of Truth, 1995, sect. 1.
St. Thomas Aquinas. Collationes in decem praeceptes [Sermons on the Ten Commandments]. c. 1273, prologue.
Hooker, Richard. Of the Laws of Ecclesiastical Polity. 1593, bk. 4, ch. 14, sect. 1.
Hooker, Richard. The Laws of Ecclesiastical Polity In Modern English, edited by Bradford Littlejohn. Vol. 1, The Davenant Press, 2019, bk. 4, ch. 14, sect. 1.
Niebuhr, Reinhold. The Irony of American History. Charles Scribner's Sons, 1952, ch. 3.
Saint Thomas Aquinus. Summa Theologica. c. 1274, pt. 1-2.
Saint Thomas Aquinus. The Summa Theologica of St. Thomas Aquinas, translated by Fathers of the English Dominican Provinc. Christian Classics, 1981, pt. 1-2.
Luther, Martin. Quoted in Symphoniae Iucundae Atque Adeo Breves Quatuor Vocum, written by Georg Rhau. Wittenberg, 1538, preface.
Lille De, Alain. Liber Parabolarum. c. 1202, ch. 3, no. 1.
Wesley, John. "On Dress." c. 1788. Sermon.
Wesley, John. "On Dress." The Works of the John Wesley, edited by Albert C. Outler. Vol. 3, Abingdon Press, 1986.