From the Word
Live in harmony with one another; do not be haughty, but associate with the lowly; never be conceited.
Romans 12:16, RSV
Harmony is the imperative virtue for the Christian Church. Before other virtues can be manifest, there must first be concord and unity of heart among all. It is impossible that outward circumstances of human life be always the same; much dissimilarity in person, station, and occupation is inevitable. To this very unlikeness and to the natural depravity of flesh and blood is due the discord and disagreement of men in this world. Let one become conscious of personal superiority in point of uprightness, learning, skill or natural ability, or let him become aware of his loftier station in life, and he immediately grows self-complacent, thinks himself better than his fellows, demands honor and recognition from all men, is unwilling to yield or to serve an inferior and thinks himself entitled to such right and privilege because of his superiority and virtue.
This matter of harmony is the first and most necessary commandment enjoined by the doctrine of faith; this virtue is the first fruit which faith is to effect among Christians, who are called in one faith and one baptism. It is to be the beginning of their Christian love. For true faith necessarily creates in all believers the spirit that reasons: “We are all called by one Word, one baptism and Holy Spirit, to the same salvation; we are alike heirs of the grace and blessings of God. Although one has more and greater gifts than another, he is not on that account better before God. By grace alone, without any merit of ours, we are pleasing to God. Before him none can boast of himself.”
When one imagines himself better than his fellows, desiring to exalt and glorify himself above others, he is really no longer a Christian, because he is no longer in that unity of mind and faith essential to Christians. Christ with his grace is always the same, and cannot be divided or apportioned within himself. So long as unity of faith and oneness of mind survive, the true Church of God abides, notwithstanding there may be some weakness in other points. Of this fact the devil is well aware; hence his hostility to Christian unity. Christians should, therefore, be all the more careful to cherish the virtue of harmony, both in the Church and in secular government.
Luther, Martin, and John Sander. Devotional Readings from Luther’s Works for Every Day of the Year. Augustana Book Concern, 1915, pp. 201–02.