~~ A fact that is anew being forced upon the consciousness of the church of Christ is that a great and aggressive warfare is being waged against her by unseen and powerful foes. The Scriptures have long revealed it, but few have given this warfare the attention which it requires. “Our wrestling,” the Apostle warns us, “is not against flesh and blood, but against the principalities, against the powers, against the world rulers of this darkness, against the spiritual hosts of wickedness in the heavenlies” (Eph. 6: 12). In the life of the Christian assembly, in the purity of its doctrine, in the fellowship of its members, and in their individual bodies and circumstances, subtle forces are working with keen understanding and masterful direction. The opposition is veiled, but it is real, and it is sometimes tremendous. Because its source is unrecognized, it is the more effective. The powers of evil are allowed often to have practically free course in groups of believers. Troubles that might be easily overcome, if rightly diagnosed, are laid to other causes, and because the remedy is not applied, the difficulties may increase until the very existence of the congregation is threatened.