John 17:3

And this is eternal life, that they know thee, the only real God, and him whom thou hast sent, even Jesus Christ.

Mark 12:29-32

Jesus replied, "The chief one is: Hear, O Israel, the Lord our God is one Lord,

1 Timothy 2:5

For "there is one God" and "one intermediary between God and men,

John 10:30

I and my Father are one ??."

1 Corinthians 8:4-6

Well then, with regard to food that has been offered to idols, I am quite aware that 'there is no such thing as an idol in the world' and that 'there is only the one God.'

Treasury of Scripture Knowledge

Summary

Hear, O Israel: The LORD our God is one LORD:

General references

Bible References

General references

James 2:19
You believe in one God? Well and good. So do the devils, and they shudder.