1 Corinthians 1:10
Now I beseech you, brothers, by the name of our Lord Jesus Christ, that you all speak the same thing, and that there be no divisions among you; but that you be perfectly joined together in the same mind and in the same judgment.
Topicalbible.org—AKJV

John 17:21
That they all may be one; as you, Father, are in me, and I in you, that they also may be one in us: that the world may believe that you have sent me.
Topicalbible.org—AKJV