John 17:21

that they may all be one, even as Thou, Father, art in Me, and I in Thee, that they also may be in us; that the world may believe that Thou didst send Me.

John 17:23

I in them, and Thou in Me, that they may be perfected into one; that the world may know that Thou didst send Me, and lovedst them, even as Thou didst love Me.

John 17:25

O righteous Father! and the world knew Thee not; but I knew Thee, and these knew that Thou didst send Me;

Acts 28:28

Be it known, therefore, to you, that to the gentiles was this salvation of God sent: they also will hear."

1 Peter 2:9-10

But ye are "an elect race, a kingly priesthood, a holy nation," a people for a possession, that ye may show forth the excellencies of Him Who called you out of darkness into His marvelous light;

Revelation 11:15

And the seventh angel sounded; and there followed great voices in Heaven, saying, "The kingdom of the world became our Lord's and His Christ's; and He will reign forever and ever."

Treasury of Scripture Knowledge

Summary

And many nations shall be joined to the LORD in that day, and shall be my people: and I will dwell in the midst of thee, and thou shalt know that the LORD of hosts hath sent me unto thee.

General references

Bible References

Many

Acts 28:28
Be it known, therefore, to you, that to the gentiles was this salvation of God sent: they also will hear."
1 Peter 2:9
But ye are "an elect race, a kingly priesthood, a holy nation," a people for a possession, that ye may show forth the excellencies of Him Who called you out of darkness into His marvelous light;
Revelation 11:15
And the seventh angel sounded; and there followed great voices in Heaven, saying, "The kingdom of the world became our Lord's and His Christ's; and He will reign forever and ever."

General references

Romans 3:29
Or is He the God of Jews only? Is He not of gentiles also! Yes, of gentiles also;