2 Thessalonians 2:11

and because of this shall God send to them a working of delusion, for their believing the lie,

Romans 1:28

And, according as they did not approve of having God in knowledge, God gave them up to a disapproved mind, to do the things not seemly;

Ezekiel 14:9

And the prophet, when he is enticed, and hath spoken a word -- I, Jehovah, I have enticed that prophet, and have stretched out My hand against him, and have destroyed him from the midst of My people Israel.

1 Kings 22:18-22

And the king of Israel saith unto Jehoshaphat, 'Have I not said unto thee, He doth not prophesy of me good, but evil?'

2 Chronicles 18:18-22

And he saith, 'Therefore, hear ye a word of Jehovah: I have seen Jehovah sitting on His throne, and all the host of the heavens standing on His right and His left;

Psalm 81:11-12

But, My people hearkened not to My voice, And Israel hath not consented to Me.

Psalm 109:17

And he loveth reviling, and it meeteth him, And he hath not delighted in blessing, And it is far from him.

Isaiah 6:9-10

And He saith, 'Go, and thou hast said to this people, Hear ye -- to hear, and ye do not understand, And see ye -- to see, and ye do not know.

Isaiah 29:9-14

Tarry and wonder, look ye, yea, look, Be drunk, and not with wine, Stagger, and not with strong drink.

Isaiah 44:20

Feeding on ashes, the heart is deceived, It hath turned him aside, And he delivereth not his soul, nor saith: 'Is there not a lie in my right hand?'

Isaiah 66:4

I also -- I fix on their vexations, And their fears I bring in to them, Because I have called, and there is none answering, I spake, and they have not hearkened, And they do the evil things in Mine eyes, And on that which I desired not -- fixed.

Jeremiah 27:10

For falsehood they are prophesying to you, so as to remove you far from off your ground, and I have driven you out, and ye have perished.

Ezekiel 21:29

In the seeing for thee of a vain thing, In the divining for thee of a lie, To put thee on the necks of the wounded of the wicked, whose day hath come, In the time of the iniquity of the end.

Matthew 24:5

for many shall come in my name, saying, I am the Christ, and they shall lead many astray,

Matthew 24:11

'And many false prophets shall arise, and shall lead many astray;

John 12:39-43

Because of this they were not able to believe, that again Isaiah said,

Romans 1:21-25

because, having known God they did not glorify Him as God, nor gave thanks, but were made vain in their reasonings, and their unintelligent heart was darkened,

1 Thessalonians 2:3

for our exhortation is not out of deceit, nor out of uncleanness, nor in guile,

1 Timothy 4:1

And the Spirit expressly speaketh, that in latter times shall certain fall away from the faith, giving heed to seducing spirits and teachings of demons,

Treasury of Scripture Knowledge

Summary

And for this cause God shall send them strong delusion, that they should believe a lie:

Bible References

General references

Exodus 8:7
and the scribes do so with their flashings, and cause the frogs to come up against the land of Egypt.
Exodus 10:20
and Jehovah strengtheneth the heart of Pharaoh, and he hath not sent the sons of Israel away.
Leviticus 13:29
'And when a man (or a woman) hath in him a plague in the head or in the beard,
Deuteronomy 13:2
and the sign and the wonder hath come which he hath spoken of unto thee, saying, Let us go after other gods (which thou hast not known), and serve them,
Deuteronomy 28:28
'Jehovah doth smite thee with madness, and with blindness, and with astonishment of heart;
Deuteronomy 29:4
and Jehovah hath not given to you a heart to know, and eyes to see, and ears to hear, till this day,
Psalm 109:17
And he loveth reviling, and it meeteth him, And he hath not delighted in blessing, And it is far from him.
Isaiah 47:12
Stand, I pray thee, in thy charms, And in the multitude of thy sorceries, In which thou hast laboured from thy youth, It may be thou art able to profit, It may be thou dost terrify!