concerning.

1 John 3:7
Little children, let no one deceive you: The one who practices righteousness is righteous, just as Christ is righteous.

Proverbs 12:26
A righteous man is cautious in friendship, but the ways of the wicked lead them astray.

Ezekiel 13:10
Because they have led My people astray, saying, "Peace, " when there is no peace, and whitewashing any flimsy wall that is built,

Mark 13:22
For false Christs and false prophets will appear and perform signs and wonders that would deceive even the elect, if that were possible.

Acts 20:29, 30
I know that after my departure, savage wolves will come in among you and will not spare the flock. . . .

2 Corinthians 11:13-15
For such men are false apostles, deceitful workers, masquerading as apostles of Christ. . . .

Colossians 2:8, 18
See to it that no one takes you captive through philosophy and empty deception, which are based on human tradition and the spiritual forces of the world rather than on Christ. . . .

1 Timothy 4:1
Now the Spirit expressly states that in later times some will abandon the faith to follow deceitful spirits and the teachings of demons,

2 Timothy 3:13
while evil men and imposters go from bad to worse, deceiving and being deceived.

2 Peter 2:1-3
Now there were also false prophets among the people, just as there will be false teachers among you. They will secretly introduce destructive heresies that even deny the Master who bought them, bringing swift destruction on themselves. . . .

2 John 1:7
For many deceivers have gone out into the world, refusing to confess the coming of Jesus Christ in the flesh. Any such person is the deceiver and the antichrist.