John Gills Exposition of the Bible Commentary - Psalms 136:21
And gave their land for an heritage ,.... This was taken away from them and their subjects by the Lord, who has the disposing of kingdoms, and given to another people, for an inheritance; for his mercy endureth for ever ; while his justice is exercised on some, in a strict manner, with severity and rigour, his mercy is shown to others. read more
Matthew Henry's Complete Commentary - Psalms 136:10-22
The great things God for Israel, when he first formed them into a people, and set up his kingdom among them, are here mentioned, as often elsewhere in the psalms, as instances both of the power of God and of the particular kindness he had for Israel. See Ps. 135:8 1. He brought them out of Egypt, Ps. 136:10-12. That was a mercy which endured long to them, and our redemption by Christ, which was typified by that, does indeed endure for ever, for it is an eternal redemption. Of all the plagues... read more