1 Timothy 4:1
The Spirit distinctly says that in later times some will turn away from the faith, and devote their attention to deceitful spirits and the things that demons teach
2 Timothy 3:13
and bad men and impostors will go on from bad to worse, deceiving others and deceived themselves.
1 John 2:26
I write you this with reference to those who are trying to mislead you.
Revelation 2:20
But I hold it against you that you tolerate that Jezebel of a woman who claims to be inspired and who is misleading my slaves and teaching them to practice immorality and to eat meat that has been sacrificed to idols.