Parallel
Galatians 3:20
Nestle 1904 Greek New Testament · Berean Standard Bible
ὁ δὲ μεσίτης ἑνὸς οὐκ ἔστιν ὁ δὲ Θεὸς εἷς ἐστιν
A mediator is unnecessary, however, for only one party; but God is one.