Now a mediator does not mediate for one only, but God is one.
Galatians 3:20
Surrounding context
3:19 What purpose then does the law serve? It was added because of transgressions, till the Seed should come to whom the promise was made; and it was appointed through angels by the hand of a mediator.
3:20 Now a mediator does not mediate for one only, but God is one.
3:21 Is the law then against the promises of God? Certainly not! For if there had been a law given which could have given life, truly righteousness would have been by the law.