What follows is the affectionate desultory close of the letter. Paul has prayed for the Thessalonians; he begs their prayers for himself. This request is made no less than seven times in his Epistles--including the one before us: a fact which shows how priceless to the Apostle was the intercession of others on his behalf. So it is always; there is nothing which so directly and powerfully helps a minister of the gospel as the prayers of his congregation. They are the channels of all possible blessing both for him and those to whom he ministers. But prayer for him is to be combined with love to one another: "Salute all the brethren with a holy kiss."[22] The kiss was the ordinary greeting among members of a family; brothers and sisters kissed each other when they met, especially after long separation; even among those who were no kin to each other, but only on friendly terms, it was common enough, and answered to our shaking of hands. In the Church the kiss was the pledge of brotherhood; those who exchanged it declared themselves members of one family. When the Apostle says, "Greet one another with a holy kiss," he means, as holy always does in the New Testament, a Christian kiss; a greeting not of natural affection, nor of social courtesy merely, but recognising the unity of all members of the Church in Christ Jesus, and expressing pure Christian love. The history of the kiss of charity is rather curious, and not without its moral. Of course, its only value was as the natural expression of brotherly love; where the natural expression of such love was not kissing, but the grasping of the hand, or the friendly inclination of the head, the Christian kiss ought to have died a natural death. So, on the whole, it did; but with some partial survivals in ritual, which in the Greek and Romish Churches are not yet extinct. It became a custom in the Church to give the kiss of brotherhood to a member newly admitted by baptism; that practice still survives in some quarters, even when children only are baptized. The great celebrations at Easter, when no element of ritual was omitted, retained the kiss of peace long after it had fallen out of the other services. At Solemn Mass in the Church of Rome the kiss is ceremonially exchanged between the celebrant and the assistant ministers. At Low Mass it is omitted, or given with what is called an osculatory or Pax. The priest kisses the altar; then he kisses the osculatory, which is a small metal plate; then he hands this to the server, and the server hands it to the people, who pass it from one to another, kissing it as it goes. This cold survival of the cordial greeting of the Apostolic Church warns us to distinguish spirit from letter. "Greet one another with a holy kiss" means, Show your Christian love one to another, frankly and heartily, in the way which comes natural to you. Do not be afraid to break the ice when you come into the church. There should be no ice there to break. Greet your brother or your sister cordially and like a Christian; assume and create the atmosphere of home.
Perhaps the very strong language which follows may point to some lack of good feeling in the church at Thessalonica: "I adjure you by the Lord that this epistle be read unto _all_ the brethren." Why should he need to adjure them by the Lord? Could there be any doubt that everybody in the church would hear his Epistle? It is not easy to say. Perhaps the elders who received it might have thought it wiser not to tell all that it contained to everybody; we know how instinctive it is for men in office--whether they be ministers of the church or ministers of state--to make a mystery out of their business, and, by keeping something always in reserve, to provide a basis for a despotic and uncontrolled authority. But whether for this or some other purpose, consciously or unconsciously influencing them, Paul seems to have thought the suppression of his letter possible; and gives this strong charge that it be read to all. It is interesting to notice the beginnings of the New Testament. This is its earliest book, and here we see its place in the Church vindicated by the Apostle himself. Of course when he commands it to be read, he does not mean that it is to be read repeatedly; the idea of a New Testament, of a collection of Christian books to stand side by side with the books of the earlier revelation, and to be used like them in public worship, could not enter men's minds as long as the apostles were with them; but a direction like this manifestly gives the Apostle's pen the authority of his voice, and makes the writing for us what his personal presence was in his lifetime. The apostolic word is the primary document of the Christian faith; no Christianity has ever existed in the world but that which has drawn its contents and its quality from this; and nothing which departs from this rule is entitled to be called Christian.