Explanation posted by John Wesley on 2007-01-01 00:00:00
The Psalmist exhorts the righteous to praise God, for his truth, justice and goodness, ver. 1-5, For creating the world, ver. 6-9. For his providence in governing it, ver. 10-17. For his peculiar favour to his people, encouraging them to trust in him, ver. 18-22.