2 Peter 2:1-3
But there were also false prophets among the people, even as there will be false teachers among you; who will privately introduce destructive sects, denying even the Lord who bought them, bringing on themselves swift destruction.
2 Peter 2:14
having eyes full of the adulteress, incessantly sinning, alluring unstable souls; having a heart exercised with insatiable desires; an accursed progeny:
1 John 2:18
Young children, it is the last period. And as you have heard that the antichrist comes, so, now, there are many antichrists; whence you know that it is the last period.
1 John 4:1
Beloved, do not believe every spirit, but try the spirits, whether they be from God; because many false prophets are gone forth into the world.
Jude 1:18-19
that they said to you, that in the last time there would be scoffers walking according to their own ungodly lusts.
Revelation 2:6
Yet you have this, that you hate the works of the Nicolaitans, which I also hate.
Revelation 2:14-15
Nevertheless, I have a few things against you, that you have there, them who hold the doctrine of Balaam, who taught Balak to cast a stumbling block before the children of Israel, to eat things sacrificed to idols, and to commit fornication.
Revelation 2:20
Nevertheless, I have against you, that you permit that woman Jezebel, who says that she is a prophetess, to teach and to seduce my servants to commit fornication, and to eat things sacrificed to idols.