when forty years were expired, there appeared to him in the wilderness of mount Sina, an angel of the Lord in a flaming bush.

'twas he that was in the assembly with our fathers in the wilderness, and with the angel that spoke to him on mount Sina: and delivered the oracles to him by word of mouth for our use.

these things have an allegorical meaning: the two women signify the two covenants, the one from mount Sinai, which is represented by Agar, whose children were born in a state of servitude.