Believers are in Jesus, and He is in them
John 15:1–17 (ASV)
I am the true vine, and my Father is the husbandman. 2Every branch in me that beareth not fruit, he taketh it away: and every branch that beareth fruit, he cleanseth it, that it may bear more fruit. 3Already ye are clean because of the word which I have spoken unto you. 4Abide in me, and I in you. As the branch cannot bear fruit of itself, except it abide in the vine; so neither can ye, except ye abide in me. 5I am the vine, ye are the branches: He that abideth in me, and I in him, the same beareth much fruit:...