Mark 12:32

And the scribe said to him, In truth, Teacher, thou hast well said, that He is one, and that there is no other but he;

Mark 12:29

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

1 John 5:20-21

And we know that the Son of God hath come, and hath given us understanding, that we may know the True One; and we are in the True One, in his Son Jesus Christ. This is the true God, and everlasting 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 is, "Hear, O Israel, the Lord our God is one Lord;
1 John 5:20
And we know that the Son of God hath come, and hath given us understanding, that we may know the True One; and we are in the True One, in his Son Jesus Christ. This is the true God, and everlasting life.