The union of Jesus Christ with his followers, represented by the parable of a vine and its branches, Joh 15:1-11. He exhorts them to mutual love, Joh 15:12. Calls them his friends, and promises to lay down his life for them, Joh 15:13-15. Appoints them their work, and promises them success in it, Joh 15:16. Renews the exhortation to mutual love, Joh 15:17, and foretells the opposition they would meet with from the world, Joh 15:18-21. The sin of the Jews in rejecting Christ, Joh 15:22-25. The Holy Spirit is promised as a witness for Christ, and the Comforter of the disciples, Joh 15:26, Joh 15:27.