There are various kinds of depression, to be sure, and some are the result of the complex physical and physiological disorders. But there are times when we are spiritually depressed for no good reason. There are times when the best thing to do with our feelings is to challenge them: "Why are you cast down, and why are you in turmoil within me? Hope in God; for I shall again praise Him, my salvation and my God (Psalm 42:11).