Psalms 79:6

“Pour out thy wrath upon the Heathen that have not known thee, etc.] Who had poured out the blood of the saints like water, and therefore it was a righteous thing with God to pour out the cup of wrath in his hands, and cause them to drink the dregs of it: these words, though they are in the form of an imprecation, yet regard not private revenge, but public justice, and the honour of God; and, besides, may be considered as a prophecy of what would be, and particularly of God’s pouring out the vials of his wrath on the antichristian states; who, though they profess Christianity, are no other than Heathens, and have no spiritual and serious knowledge of Christ: and upon the kingdoms that have…”

“Pour out thy wrath upon the heathen - Punish, as they deserve, the nations that have risen up against thy people, and that have brought; desolation upon the land. The word rendered here pour out is used with reference to a cup or vial, as containing a mixture for the people to drink - of intoxication, or of poison. See the notes at Revelation 16:1; notes at Psalms 11:6; notes at Isaiah 51:17; compare Jeremiah 25:15, Jeremiah 25:17; Matthew 20:22; Matthew 26:39, Matthew 26:42. That have not known thee - Who are strangers to thee; who are thy enemies. The prayer that the wrath of God might be poured upon them was not because they were ignorant of him, but on account of their wicked conduct…”

“79:6 The repentant among God’s people ask him to vent his anger not on them but on their wicked and unrepentant enemies.”

“Pour: Psa 69:24; Isa 42:25; Rev. 16:1-21 upon: Isa. 13:1-22, 21:1-17, 23:1-18; Jer 10:25, Jer 25:29, 46:1-51:64 not known: Psa 9:16, Psa 9:17; Isa 45:4, Isa 45:5; Joh 16:3, Joh 17:25; Act 17:23; Rom 1:28; Th2 1:8 not called: Psa 14:4, Psa 53:4, Psa 145:18; Rom 10:12-14; Co1 1:2 Psalms 79:7”