He is the one who was with the people of Israel assembled in the desert; he was there with our ancestors and with the angel who spoke to him on Mount Sinai, and he received God's living messages to pass on to us.
What, then, was the purpose of the Law? It was added in order to show what wrongdoing is, and it was meant to last until the coming of Abraham's descendant, to whom the promise was made. The Law was handed down by angels, with a man acting as a go-between.
Even those who practice circumcision do not obey the Law; they want you to be circumcised so that they can boast that you submitted to this physical ceremony.
The Lord came from Mount Sinai; he rose like the sun over Edom and shone on his people from Mount Paran. Ten thousand angels were with him, a flaming fire at his right hand.
The message given to our ancestors by the angels was shown to be true, and those who did not follow it or obey it received the punishment they deserved.