John 17:21
that they may all be one; even 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 sent me.
World English Bible (Public Domain)
In context
Before · John 17:19–20
19For their sakes I sanctify myself, that they themselves also may be sanctified in truth. 20“Not for these only do I pray, but for those also who will believe in me through their word,
21that they may all be one; even 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 sent me.