He was in the assembly in the wilderness, with the angel who spoke to him on Mount Sinai, and with our ancestors; and he received living words to pass on to us.
NIV
This is he who in the assembly in the wilderness (desert) was the go-between for the Angel who spoke to him on Mount Sinai and our forefathers, and he received living oracles (words that still live) to be handed down to us. [Exod. 19.]AMP
This is he, that was in the church in the wilderness with the angel which spake to him in the mount Sina, and with our fathers: who received the lively oracles to give unto us:
KJV