The enemies of God and of His people have always sought to conquer those weak in the faith by destroying their faith. Even now, false teachers seek to deceive the hearts of the simple – those who lack knowledge, understanding, and wisdom (Proverbs 8:5; Proverbs 9:4, 13). According to the scripture, these teachers do so “by good words and fair speeches.” It is not some raving, ranting lunatic that is most dangerous; it is the sweet talking, kind, loving, liar. In order to gain a following, a teacher must only appeal to others by sounding intelligent and offering “fair speeches” sprinkled with truth. If he can present things new to his audience, whether factual or not, the simple will become enamoured with his abilities and follow his teachings. This is why the Bible warns believers to have no fellowship with those who teach things contrary to the scripture. Any world religious leader who speaks softly and kindly yet fails to proclaim the true gospel probably lives more like a devil in private. The Bible calls these people wolves in sheep’s clothing.
Separation is scriptural under a variety of different scenarios. Most commonly, believers understand that they are to separate from unbelievers (2 Corinthians 6:14). This does not imply that believers should not witness to the lost but that there should be no “fellowship” between the two. The Bible also indicates that there are times in which one believer should separate from another believer. Most often, this happens because of the propagation of false doctrine (Romans 16:17-18; 2 Thessalonians 3:6) or immoral practices (1 Corinthians 5:11). However, there may also be instances when believers separate for the purpose of furthering the work of God (Galatians 2:6-9).