2 Thessalonians 2:11

For this reason God is sending on them an energy of delusion, that they should put faith in a falsehood;

Romans 1:28

And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.

Matthew 24:5

for many will come in my name saying, 'I am the Christ,' and will mislead many.

Matthew 24:11

Many false prophets will rise up and mislead many;

John 12:39-43

This was why they could not believe, because Isaiah said again.

Romans 1:21-25

For although they knew God, yet they did not glorify him as God, nor give him thanks; but became vain in their reasoning, and their senseless minds were darkened.

1 Thessalonians 2:3

For my preaching was not grounded on a delusion, or on impure motives, on in deceit.

1 Timothy 4:1

Now the Spirit distinctly declares that in latter days there will be some who will fall away from the faith, by listening to spirits of error, and to teachings of demons

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