In addition to the New International Version (2011) of the Bible, the following resources were used to help write this sermon: William Hendriksen, The Gospel of John in the New Testament Commentary, pp. 109-16; R. Kent Hughes, John in the Preaching the Word Commentary, pp. 263-70; Earl F. Palmer, The Intimate Gospel, pp. 96-100; Gerard Sloyan, John in the Interpretation Commentary, pp. 130-32; Thomas K. Tewell, Spirituality and the Second Law of Thermodynamics: John 10:14, Fifth Avenue Presbyterian Church, New York, NY, 3-12-00.