The Popular Commentary by Paul E. Kretzmann - Psalms 136:1-26
Exhortation to Give Thanks to God. An antiphonal hymn, which takes up the theme of the preceding psalm and was intended to be sung in alternation by the choir and the congregation, the former chanting the invitation and the latter responding with the call, stating the reason for the hymn of praise. v. 1. O give thanks unto the Lord, for He is good, exhibiting His goodness in all His works for the benefit of His children; for His mercy, His free favor and unmerited loving-kindness, endureth... read more
Matthew Henry's Concise Commentary on the Bible - Psalms 136:10-22
10-22 The great things God did for Israel, when he brought them out of Egypt, were mercies which endured long to them; and our redemption by Christ, which was typified thereby, endures for ever. It is good to enter into the history of God's favours, and in each to observe, and own, that his mercy endureth for ever. He put them in possession of a good land; it was a figure of the mercy of our Lord Jesus Christ. read more