Evidently angels came to Moses to bring him the law on God’s behalf. In Exodus 19-20 we do not read that angels were present when the law was given, although we do find this in the retelling in Deuteronomy 33:2 (“The Lord came from Sinai…; he came from the ten thousands of holy ones.” This is even more clear in the Greek text; cf. Psalm 68:18). Thus in Jewish circles the conviction arose that angels played a role as intermediaries in the giving of the law. We also find this tradition elsewhere in the New Testament (Acts 7:38, Acts 7:53; Galatians 3:19). The deployment of angels reinforces the authority of the law; angels, members of the heavenly throne council, were involved! Angels come closest to Christ in his role as mediator of the new covenant.1
2 For since the message declared by angels proved to be reliable, and every transgression or disobedience received a just retribution,