2 Peter 2:1

But there were also false prophets among the people, even as there will be false teachers among you; who will privately introduce destructive sects, denying even the Lord who bought them, bringing on themselves swift destruction.

2 Peter 2:17

These are wells without water, clouds driven by a tempest; for whom the blackness of darkness is reserved forever:

Revelation 19:20

And the beast was taken captive, and with him the false prophet, who had wrought signs before him, by which he deceived those who received the mark of the beast, and those who worshiped his image; both of whom were cast alive into the lake of fire which burned with brimstone.

Revelation 22:15

Without are the dogs, and the sorcerers, and the fornicators, and the murderers, and the idolaters, and every one who loves and invents a lie.)

Treasury of Scripture Knowledge

Summary

Let them alone: they be blind leaders of the blind. And if the blind lead the blind, both shall fall into the ditch.

Bible References

And if

2 Peter 2:1
But there were also false prophets among the people, even as there will be false teachers among you; who will privately introduce destructive sects, denying even the Lord who bought them, bringing on themselves swift destruction.
Revelation 19:20
And the beast was taken captive, and with him the false prophet, who had wrought signs before him, by which he deceived those who received the mark of the beast, and those who worshiped his image; both of whom were cast alive into the lake of fire which burned with brimstone.
Revelation 22:15
Without are the dogs, and the sorcerers, and the fornicators, and the murderers, and the idolaters, and every one who loves and invents a lie.)