to be destroyed. Hezekiah must have been familiar with Isaiah's prophecies, who employs the very words of verses: Psa_137:8, Psa_137:9. (Isa_13:6, Isa_13:16-18; Isa_21:9; Isa_47:14, Isa_47:15. Compare Nah_3:10.)
Happy. See App-63. for the Beatitudes of the Psalms.
rewardeth. See notes above, which show that the "post-exilic" assumption involves insuperable difficulties if this Psalm is sundered from the contemporary prophecies of Isaiah (especially Psa_13:1-14; Psa_13:27), and from a Babylon under Assyrian rule.