Happiness is not determined by external circumstances, but by the way we view, process and address them. Contrary to simple, reductionist views of psychology, the Book of Proverbs presents the inner-life in its complex, multidimensional aspects, offering the means of acquiring the inner health needed to face the challenges of life. This sermon was preached by Rev. Timothy Keller at Redeemer Presbyterian Church on December 5, 2004. Series "Proverbs: True Wisdom for Living". Scripture: Proverbs 12:25; 13:12