'Mount Sinai' in the Bible

and forty years having been fulfilled, there appeared to him in the wilderness of mount Sinai a messenger of the Lord, in a flame of fire of a bush,

'This is he who was in the assembly in the wilderness, with the messenger who is speaking to him in the mount Sinai, and with our fathers who did receive the living oracles to give to us;

which things are allegorized, for these are the two covenants: one, indeed, from mount Sinai, to servitude bringing forth, which is Hagar;

for this Hagar is mount Sinai in Arabia, and doth correspond to the Jerusalem that now is, and is in servitude with her children,