2:12-17 The word of God is a sword, able to slay both sin and sinners. It turns and cuts every way; but the believer need not fear this sword; yet this confidence cannot be supported without steady obedience. As our Lord notices all the advantages and opportunities we have for duty in the places where we dwell, so he notices our temptations and discouragements from the same causes. In a situation of trials, the church of Pergamos had not denied the faith, either by open apostacy, or by giving way so as to avoid the cross. Christ commends their stedfastness, but reproves their sinful failures. A wrong view of gospel doctrine and Christian liberty, was a root of bitterness from which evil practices grew. Repentance is the duty of churches and bodies of men, as well as of particular persons; those who sin together, should repent together. Here is the promise of favour to those that overcome. The influences and comforts of the Spirit of Christ, come down from heaven into the soul, for its support. This is hidden from the rest of the world. The new name is the name of adoption; when the Holy Spirit shows his own work in the believer's soul, this new name and its real import are understood by him.
14. few—in comparison of the many tokens of thy faithfulness.
hold the doctrine of Balaam—"the teaching of Balaam," namely, that which he "taught Balak." Compare "the counsel of Balaam," Nu 31:16. "Balak" is dative in the Greek, whence Bengel translates, "taught (the Moabites) for (that is, to please) Balak." But though in Numbers it is not expressly said he taught Balak, yet there is nothing said inconsistent with his having done so; and Josephus [Antiquities,4. 6. 6], says he did so. The dative case is a Hebraism for the accusative case.
children—Greek, "sons of Israel."
stumbling-block—literally, that part of a trap on which the bait was laid, and which, when touched, caused the trap to close on its prey; then any entanglement to the foot [Trench].
eat things sacrificed unto idols—the act common to the Israelites of old, and the Nicolaitanes in John's day; he does not add what was peculiar to the Israelites, namely, that they sacrificed to idols. The temptation to eat idol-meats was a peculiarly strong one to the Gentile converts. For not to do so involved almost a withdrawal from partaking of any social meal with the heathen around. For idol-meats, after a part had been offered in sacrifice, were nearly sure to be on the heathen entertainer's table; so much so, that the Greek "to kill" (thuein) meant originally "to sacrifice." Hence arose the decree of the council of Jerusalem forbidding to eat such meats; subsequently some at Corinth ate unscrupulously and knowingly of such meats, on the ground that the idol is nothing; others needlessly tortured themselves with scruples, lest unknowingly they should eat of them when they got meat from the market or in a heathen friend's house. Paul handles the question in 1Co 8:1-13; 10:25-33.
fornication—often connected with idolatry.