Psalm 81:4 in the World English Bible
For it is a statute for Israel, an ordinance of the God of Jacob.
Context
3 Blow up the trumpet in the new moon, in the time appointed, on our solemn feast day.
4 For this was a statute for Israel, and a law of the God of Jacob.
5 This he ordained in Joseph for a testimony, when he went out through the land of Egypt: where I heard a language that I understood not.