Psalms 81:8

God, by the psalmist, here speaks to Israel, and in them to us, on whom the ends of the world are come. I. He demands their diligent and serious attention to what he was about to say (Psa 81:8): "Hear, O my people! and who should hear me if my people will not? I have heard and answered thee; now wilt thou hear me? Hear what is said with the greatest solemnity and the most unquestionable certainty, for it is what I will testify unto thee. Do not only give me the hearing, but hearken unto me, that is, be advised by me, be ruled by me." Nothing could be more reasonably nor more justly expected, and yet God puts an if upon it: "If thou wilt hearken unto me. It is thy interest to do so, and yet it is questionable whether thou wilt or no; for thy neck is an iron sinew." II. He puts them in mind of their obligation to him as the Lord their God and Redeemer (Psa 81:10): I am the Lord thy God, who brought thee out of the land of Egypt; this is the preface to the ten commandments, and a powerful reason for the keeping of them, showing that we are bound to it in duty, interest, and gratitude, all which bonds we break asunder if we be disobedient. III. He gives them an abstract both of the precepts and of the promises which he gave them, as the Lord and their God, upon their coming out of Egypt. 1. The great command was that they should have no other gods before him (Psa 81:9): There shall no strange god be in thee, none besides thy own God. Other gods might well be called strange gods, for it was very strange that ever any people who had the true and living God for their God should hanker after any other. God is jealous in this matter, for he will not suffer his glory to be given to another; and therefore in this matter they must be circumspect, Exo 23:13. 2. The great promise was…

81:8-10 God pleads with his people to remember the covenant and the Ten Commandments.