Arcana Coelestia #4734
4734. And Reuben said unto them. This signifies exhortation, in the proximate sense confession of the faith of the church in general (which is “Reuben,” n. 4731) exhorting or dictating that they should not do violence, as in what follows.
Exodus 24:7-8
7
He took the book of the covenant and read it in the hearing of the people, and they said, "All that Yahweh has spoken will we do, and be obedient."
8
Moses took the blood, and sprinkled it on the people, and said, "Look, this is the blood of the covenant, which Yahweh has made with you concerning all these words."