O praise the LORD, all ye nations: praise him, all ye people.
Psalms 117:1-2 -Cf. Introduction to Psalms 116:1-19
O praise the Lord, all ye nations - Israel's call to the Gentiles to praise Yahweh for His mercy and His truth displayed to her, as set forth in Psalms 116:1-19 (cf. Psalms 47:1; Psalms 67:1-3; Psalms 98:3-4).