Lack of one-mindedness robs the church of its power. The mind of Christ and the will of God is that we lay down our lives for others. What we each need to be doing is dying to self. The emphasis of His command is that we love as He loved.
Romans 13:8-14 8 Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law. 9 For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if there be any other commandment, […]