Psalm 17 plays like a greatest hits album, replaying many of the common lines and themes we’ve seen from the psalms so far. Greatest hits albums are comforting because they show that this material lasts. They show that these concepts are not just one-hit-wonders, but are a deep well we can come back to again and again. In Western Christianity and Western culture at large, we are obsessed with solving our problems. If it is conceded at all by Christians that we’ll have problems in this world, in the next breath we are being told a 3-step plan to solve those very problems. The repetition of the psalms tell us problems don’t work that way.