New International Version
A mediator, however, implies more than one party; but God is one.

New Living Translation
Now a mediator is helpful if more than one party must reach an agreement. But God, who is one, did not use a mediator when he gave his promise to Abraham.

English Standard Version
Now an intermediary implies more than one, but God is one.

Berean Study Bible
A mediator is unnecessary, however, for only one party; but God is one.

New American Standard Bible
Now a mediator is not for one party only; but God is only one.

NASB 1995
Now a mediator is not for one party only; whereas God is only one.

NASB 1977
Now a mediator is not for one party only; whereas God is only one.

Amplified Bible
Now the mediator or go-between [in a transaction] is not [needed] for just one party; whereas God is only one [and was the only One giving the promise to Abraham, but the Law was a contract between two, God and Israel; its validity depended on both].

Christian Standard Bible
Now a mediator is not just for one person alone, but God is one.

Holman Christian Standard Bible
Now a mediator is not for just one person, but God is one.

Contemporary English Version
There is only one God, and the Law did not come directly from him.

Good News Translation
But a go-between is not needed when only one person is involved; and God is one.

GOD'S WORD® Translation
A mediator is not used when there is only one person involved, and God has acted on his own.

International Standard Version
Now a mediator involves more than one party, but God is one.

NET Bible
Now an intermediary is not for one party alone, but God is one.