In addition to the New International Version (2011) of the Bible, the following resources were used to help write this sermon: A.A. Anderson, Psalms 1-72 in The New Century Bible Commentary, pp. 292-94; James Montgomery Boice, Psalms, Volume 1, pp. 314-18; R. Kent Hughes, Romans in the Preaching the Word Commentary, pp. 161-62; James L. Mays, Psalms in the Interpretation Commentary, pp. 158-61; John Ortberg, Waiting on God, PT #199; John Stott, Romans, pp. 241-44.