Mark 12:32

Then the scribe said to Him, "Indeed, Teacher, you have properly said that He is one by Himself, and there is no other but Him,

Mark 12:29

Jesus answered, "The first one is, 'Hear, O Israel, the Lord our God is one Lord,

1 John 5:20-21

And we know that the Son of God has come, and has given us insight to recognize the True One; and we are in union with the True One through His Son, Jesus Christ. He is the true God and eternal life.

Treasury of Scripture Knowledge

Summary

Unto thee it was shewed, that thou mightest know that the LORD he is God; there is none else beside him.

Bible References

None else

Mark 12:29
Jesus answered, "The first one is, 'Hear, O Israel, the Lord our God is one Lord,
1 John 5:20
And we know that the Son of God has come, and has given us insight to recognize the True One; and we are in union with the True One through His Son, Jesus Christ. He is the true God and eternal life.