Calvin believes that Psalm 107 illustrates the heavenly providence of God thus giving the godly the opportunity to rejoice. But he also believes that most people “get immersed in their own errors” and are therefore blind to God’s providence. Do you know people today who are blind in the face of the goodness of God? What are the twenty fist century causes of such blindness? Calvin has a sense that God shows his power over the impious “their arrogance vanquished” at a time of “best opportunity” thus “confounding the wisdom of the world”. So “he catches the crafty in their own craftiness (1 Corinthians 3:19, Job 5:13). Have you ever seen God catch the crafty and thus reveal His glory?