Verses 1–3
Psa 135:1-21. A Psalm of praise, in which God's relations to His Church, His power in the natural world, and in delivering His people, are contrasted with the vanity of idols and idol-worship.
1-3. In the general call for praise, the priests, that stand in the house of the Lord, are specially mentioned.
Verses 4–7
4-7. God's choice of Israel is the first reason assigned for rendering praise; the next, His manifested greatness in creation and providence.
Verses 8–9
8-9. The last plague [Ex 12:29] is cited to illustrate His "tokens and wonders."
Verses 10–12
10-12. The conquest of Canaan was by God's power, not that of the people.
Verse 13
13. heritage--or, "possession."
name ... memorial--Each denote that by which God is made known.
Verse 14
14. will judge--do justice (Psa 72:2).
repent himself--change His dealings (Psa 90:13).
Verses 15–18
15-18. (Compare Psa 115:4-8).
Verses 19–21
19-21. (Compare Psa 115:9-11). There we have "trust" for "bless" here.