Ephesians 5:6
Let no one deceive you with empty words, for because of such things the wrath of God is coming on the sons of disobedience.

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, even denying the Master who bought them—bringing swift destruction on themselves. / Many will follow in their depravity, and because of them the way of truth will be defamed. / In their greed, these false teachers will exploit you with deceptive words. The longstanding verdict against them remains in force, and their destruction does not sleep.

2 Corinthians 11:3-4
I am afraid, however, that just as Eve was deceived by the serpent’s cunning, your minds may be led astray from your simple and pure devotion to Christ. / For if someone comes and proclaims a Jesus other than the One we proclaimed, or if you receive a different spirit than the One you received, or a different gospel than the one you accepted, you put up with it very easily.

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

Romans 16:18
For such people are not serving our Lord Christ, but their own appetites. By smooth talk and flattery they deceive the hearts of the naive.

1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God. For many false prophets have gone out into the world.

Matthew 24:24
For false Christs and false prophets will appear and perform great signs and wonders to deceive even the elect, if that were possible.

2 Thessalonians 2:3
Let no one deceive you in any way, for it will not come until the rebellion occurs and the man of lawlessness—the son of destruction—is revealed.

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,

Galatians 1:6-9
I am amazed how quickly you are deserting the One who called you by the grace of Christ and are turning to a different gospel— / which is not even a gospel. Evidently some people are troubling you and trying to distort the gospel of Christ. / But even if we or an angel from heaven should preach a gospel contrary to the one we preached to you, let him be under a curse! ...

2 Corinthians 11:13-15
For such men are false apostles, deceitful workers, masquerading as apostles of Christ. / And no wonder, for Satan himself masquerades as an angel of light. / It is not surprising, then, if his servants masquerade as servants of righteousness. Their end will correspond to their actions.

Jeremiah 29:8
For this is what the LORD of Hosts, the God of Israel, says: “Do not be deceived by the prophets and diviners among you, and do not listen to the dreams you elicit from them.

Proverbs 14:15
The simple man believes every word, but the prudent man watches his steps.

Isaiah 30:10
They say to the seers, “Stop seeing visions!” and to the prophets, “Do not prophesy to us the truth! Speak to us pleasant words; prophesy illusions.

Ezekiel 13:6-7
They see false visions and speak lying divinations. They claim, ‘Thus declares the LORD,’ when the LORD did not send them; yet they wait for the fulfillment of their message. / Haven’t you seen a false vision and spoken a lying divination when you proclaim, ‘Thus declares the LORD,’ even though I have not spoken?