When ancient Israel was at its most prosperous economically, politically, and militarily, it was at its worst spiritually (see Amos and pretty much any other minor prophet). Living wisely (in a God-pleasing way) necessitates cultivating wisdom in the heart. Remembering that we have a limited time to do this will instill a sense of urgency. There was another wise man, Solomon, who had much to say about this in Proverbs chapter four, so our study continues.
