Matthew 15:14

Let them alone; they are blind leaders of the blind; and if the blind lead the blind, both will fall into the pit.

2 Corinthians 1:17

In forming this purpose, did I, therefore, behave with levity? or do I purpose what I purpose, according to the flesh, that there may be with me, yes yes, and no, no?

Revelation 19:20

And the beast was taken, and the false prophet that was with him, who did signs in his presence, with which he deceived those who received the mark of the beast, and those who worshiped his image. These two were thrown alive into the lake of fire, which burns with brim stone.

Treasury of Scripture Knowledge

Summary

Behold, I am against them that prophesy false dreams, saith the LORD, and do tell them, and cause my people to err by their lies, and by their lightness; yet I sent them not, nor commanded them: therefore they shall not profit this people at all, saith the LORD.

Therefore

Bible References

To err

Revelation 19:20
And the beast was taken, and the false prophet that was with him, who did signs in his presence, with which he deceived those who received the mark of the beast, and those who worshiped his image. These two were thrown alive into the lake of fire, which burns with brim stone.

And by

2 Corinthians 1:17
In forming this purpose, did I, therefore, behave with levity? or do I purpose what I purpose, according to the flesh, that there may be with me, yes yes, and no, no?

Therefore

Matthew 15:14
Let them alone; they are blind leaders of the blind; and if the blind lead the blind, both will fall into the pit.