Matthew 7:15
Take heed then of false prophets, who come to you in the garb of sheep, but inwardly they are ravening wolves.
Romans 16:18
For such are not servants to our Lord Jesus Christ, but to their own belly; and by smooth speeches and flattering commendations deceive the hearts of the guileless.
2 Corinthians 11:13-15
For such are fake apostles, deceitful labourers, transforming themselves into apostles of Christ.
Galatians 2:4
but this I did because of false brethren artfully introduced, who came to pry into our liberty which we hold in Christ Jesus, that they might bring us into bondage:
Ephesians 4:14
that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error;
2 Thessalonians 2:9-10
whose appearing is known by fanatical energy, displayed in all power, and signs, and lying miracles,
1 Timothy 4:1-2
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;
Titus 1:10-12
For there are many disorderly persons vainly talkative, and under a spirit of delusion, especially some of the circumcised;
Revelation 13:11-14
And I saw another beast rising up out of the earth, and he had two horns like a lamb, though he spake as the dragon.
Revelation 19:20
And the beast was seized upon, and with him the false prophet who performed the wonders before him, by which he deceived those who received the brand of the beast, and those who worshipped his image. They were both hurled alive into the lake of fire which burneth with brimstone.