Galatians 3:20

now a mediator supposes two parties, of which God is but one.

1 Timothy 2:5

for there is but one God, and but one mediator between God and men, the man Christ Jesus,

Hebrews 8:6

Our high priest then has obtained a priesthood so much the more excellent, as he is the mediator of a better alliance, established upon better promises.

Hebrews 9:15

and for this cause he is the mediator of the new testament, that, the transgressions that were unexpiated by the first testament, being expiated by his death, they who are called might receive the eternal inheritance, which was promised.

Hebrews 12:24

to Jesus the mediator of the new covenant, and to the aspersion of that blood which cries for pardon, and not for vengeance as that of Abel.

Acts 12:20

Herod was then making warlike preparations against the Tyrians, and Sidonians: but they unanimously sent a deputation to court: where having gain'd Blastus the king's chamberlain, they brought matters to an accommodation: for their country was subsisted by the king's territorys.

Romans 3:29-30

is God the God of the Jews only, and not of the Gentiles? surely he is of the Gentiles too;

Galatians 3:17

this therefore I say, that the law, which was not till four hundred and thirty years after, cannot disannul the promise, that was ratified before by God, so as to set the promise afoot.

Treasury of Scripture Knowledge

Summary

Now a mediator is not a mediator of one, but God is one.

A mediator is

General references

Bible References

A mediator is

Acts 12:20
Herod was then making warlike preparations against the Tyrians, and Sidonians: but they unanimously sent a deputation to court: where having gain'd Blastus the king's chamberlain, they brought matters to an accommodation: for their country was subsisted by the king's territorys.
1 Timothy 2:5
for there is but one God, and but one mediator between God and men, the man Christ Jesus,

But

Galatians 3:17
this therefore I say, that the law, which was not till four hundred and thirty years after, cannot disannul the promise, that was ratified before by God, so as to set the promise afoot.
Romans 3:29
is God the God of the Jews only, and not of the Gentiles? surely he is of the Gentiles too;

General references

Romans 3:30
since it is one God, who will justify both the Jews and the Gentiles, through faith.
James 2:19
you believe there is but one God, very well: the demons believe as much, and tremble."