Matthew 7:15
Take heed then of false prophets, who come to you in the garb of sheep, but inwardly they are ravening wolves.
Matthew 15:5-14
But ye say, If any man declare to his father or mother, This is a [devoted] gift, which else might have been employed by me for thy advantage;
Mark 13:14
But when ye see the abomination of desolation, spoken of by the prophet Daniel, standing where it ought not (let him that readeth observe), then let those who are in Judea fly to the mountains:
Mark 13:22-23
For many false Messiahs and false prophets shall arise, and shall propose signs and wonders to deceive, if it were possible, even the elect.
Acts 20:30
Yea, from among yourselves shall men arise, speaking perverting doctrines, to draw away disciples after them.
2 Corinthians 11:13-15
For such are fake apostles, deceitful labourers, transforming themselves into apostles of Christ.
Ephesians 4:13-14
until we all attain in the unity of the faith, and the knowledge of the Son of God, unto a state of complete manhood, unto the measure of the stature of the fulness of Christ:
2 Thessalonians 2:8-10
And then that lawless person will appear, whom the Lord shall consume with the spirit of his mouth, and shall destroy with the brightness of his coming;
1 Timothy 4:1-3
NOW the Spirit speaketh expresly, that in the latter days some will apostatise from the faith, giving heed to spirits of delusion, and doctrines of devils;
2 Peter 2:1-3
BUT there were false prophets among the people, as there will be false teachers also among you, who wickedly introduce damnable heresies, and deny the sovereign Lord who bought them, bringing on themselves swift destruction.
2 Peter 3:16-18
as also in all his epistles, speaking in them of these things, of which some are difficult to be understood, which the uninstructed and the unstable torture, as indeed they do the rest of the scriptures unto their own destruction.
1 John 2:21
I have not written to you because ye know not the truth, but because ye know it, and that no lie is of the truth.
1 John 2:27
But the unction which ye have received from him abideth in you; and ye need not that any person should instruct you. But as the same unction teacheth you concerning all things, and is true, and is no lie; and as it hath taught you, abide in him.