For this is a statute for Israel, an ordinance of the God of Jacob.
PSALM 81 This psalm consists of two parts. Whoever was its author, he exhorts the people to remember the unparalleled grace of God towards them, in delivering them by his outstretched arm, and choosing them to be a kingdom of priests, and a peculiar Church to himself; that thus they may be excited devoutly to honor their deliverer, both by celebrating his praises, and by leading a holy life.
Commenting on Psalm 81:1-16
For this was a statute for Israel, and a law of the God of Jacob. It was a precept binding upon all the tribes that a sacred season should be set apart to commemorate the Lord's mercy; and truly it was but the Lord's due, he had a right and a claim to such special homage.
When the people of God were gathered together in the solemn day, the day of the feast of the Lord, they must be told that they had business to do, for we do not go to church to sleep nor to be idle; no, there is that which the duty of every day requires, work of the day, which is to be done in its day. And here, I.
Commenting on Psalm 81:1-7