The apostle Paul writes to the church at Rome (Rom. 16:17, 18): “Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them. For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.” The context of this passage is peculiar. We would not expect such an exhortation here. It occurs in the midst of greetings and salutations and blessings. Admonitions to watch and beware of false teachers are, of course,...