Bible Verses about “false brethren”

“Therefore I urge you, brothers, by the mercies of God, to present your bodies a living sacrifice, holy, acceptable to God, which is your spiritual service.”

“Beloved, don't believe every spirit, but test the spirits, whether they are of God, because many false prophets have gone out into the world.”

“holding a form of godliness, but having denied its power. Turn away from these, also.”

“But for the cowardly, unbelieving, sinners, abominable, murderers, sexually immoral, sorcerers, idolaters, and all liars, their part is in the lake that burns with fire and sulfur, which is the second death."”

“And no wonder, for even Satan masquerades as an angel of light.”

“Now I beg you, brothers, look out for those who are causing the divisions and occasions of stumbling, contrary to the doctrine which you learned, and turn away from them.”

“Avoid a factious man after a first and second warning;”

“It is no great thing therefore if his servants also masquerade as servants of righteousness, whose end will be according to their works.”

“For such men are false apostles, deceitful workers, masquerading as Christ's apostles.”

“If anyone comes to you, and doesn't bring this teaching, don't receive him into your house, and don't welcome him,”

“for he who welcomes him participates in his evil works.”

“Now we command you, brothers, in the name of our Lord Jesus Christ, that you withdraw yourselves from every brother who walks in rebellion, and not after the tradition which they received from us.”

“Whoever transgresses and doesn't remain in the teaching of Christ, doesn't have God. He who remains in the teaching, the same has both the Father and the Son.”