Matthew 7:15
"Beware of false prophets, who, indeed, come to you in sheep's clothing, but within are ravening wolves.
Romans 16:18
For those who are such are not serving our Lord Christ, but their own belly; and, through their kind words and flattering speeches, they beguile the hearts of the simple.
Acts 20:29-30
I know that, after my departure, grievous wolves will enter in among you, not sparing the flock;
2 Corinthians 11:13-15
For such men are false apostles, deceitful workers, transforming themselves into apostles of Christ;
Galatians 2:4
and that was because of the false brethren secretly introduced, who, indeed, crept in to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage;
1 Timothy 4:1-2
But the Spirit expressly saith, that in later times, some will fall away from the faith, giving heed to seducing spirits, and to teachings of demons,
2 Timothy 3:1-7
But know this, that in the last days perilous times will come;
2 Timothy 4:3
For there will be a time when they will not endure the healthful teaching; but, having itching ears, they will for themselves heap up teachers according to their own desires;
Titus 1:11
whom it is needful to reduce to silence: who, indeed, are overthrowing whole houses, teaching what they ought not, for the sake of base gain.
2 Peter 2:1-3
But there arose false prophets also among the people, as among you also there will be false teachers, who, indeed, will stealthily bring in destructive heresies, denying even the Master Who bought them, bringing upon themselves swift destruction:
2 Peter 2:18-19
For, uttering great swelling words of vanity, they entice, in desires of the flesh, by their lasciviousness, those just escaping from those who live in error;
1 John 2:18-19
Little children, it is the last hour; and, as ye heard that Anti-Christ is coming, even now many anti-christs have arisen; whence we know that it is the last hour.
1 John 4:1
Beloved, believe not every spirit, but try the spirits, whether they are of God; because many false prophets have gone forth into the world.
1 John 4:5
They are of the world; for this cause they speak of the world, and the world hears them.
2 John 1:7
Because many deceivers went out into the world, who confess not Jesus Christ as coming in flesh. This is the deceiver and the Anti-Christ.
Jude 1:4
For there crept in stealthily certain men, who of old were set forth for this condemnation, ungodly men, changing the grace of our God into lasciviousness; and denying the only Master and our Lord Jesus Christ.
Revelation 2:20
But I have it against you, that you suffer the woman Jezebel, who calls herself a prophetess; and she teaches and seduces My servants to commit fornication, and to eat idol-sacrifices.
Revelation 12:2-6
and, being with child, she cries out, travailing in birth, and being in pain to bring forth.
Revelation 12:13-4
And, when the dragon saw that he was cast down to the earth, he persecuted the woman who brought forth the man-child.
Revelation 13:11-14
And I saw another beast coming up out of the earth; and he had two horns like a lamb, and he was speaking as a dragon.