Col 1:12-20; Joh 19:30; 1Co 3:11; Mat 7:24-25. Christian life is built on the finished work of Christ which is accomplished because of a mighty Savior. Work of God. 5 things Christ did for us on the cross. Husbands love your wives, as Christ loved the Church and gave Himself for it. Finished work of Christ on the cross only has meaning because of Who did it.