Deuteronomy 33:2-6

And he said, The LORD came from Sinai, and rose up from Seir unto them; he shined forth from mount Paran, and he came with ten thousands of saints: from his right hand went a fiery law for them.

Yea, he loved the people; all his saints are in thy hand: and they sat down at thy feet; every one shall receive of thy words.

Moses commanded us a law, even the inheritance of the congregation of Jacob.

And he was king in Jeshurun, when the heads of the people and the tribes of Israel were gathered together.

Let Reuben live, and not die; and let not his men be few.