Treasury of Scripture Knowledge
As concerning therefore the eating of those things that are offered in sacrifice unto idols, we know that an idol is nothing in the world, and that there is none other God but one.
1 Corinthians 10:19
What, then, do I say? that an idol-sacrifice is anything? or that an idol is anything?
And ye perceive and hear that, not only at Ephesus, but almost in all Asia, this Paul, having persuaded, turned away a great multitude, saying, that they are not gods that are made with hands.
1 Corinthians 8:6
yet to us there is One God, the Father, of Whom are all things, and we for Him; and One Lord Jesus Christ, through Whom are all things, and we through Him.
Jesus answered, "The first is, 'Hear, O Israel; the Lord is our God, the Lord is One;
one God and Father of all, Who is over all, and through all, and in all.
1 Timothy 1:17
Now to the King of the ages, incorruptible, invisible, only God, be honor and glory forever and ever. Amen.
1 Timothy 2:5
For there is one God, one Mediator also between God and men, a Man, Christ Jesus,
to the only God our Savior, through Jesus Christ our Lord, be glory, majesty, dominion, and authority, before all time, and now, and forever and ever. Amen.
You believe that God is one. You do well. The demons also believe, and shudder!