Revelation 9:19

For their power is in their mouth, and in their tails: for their tails were like unto serpents, with heads, and with them they do hurt.

Isaiah 9:15

The elder and honorable, he is the head; and the prophet that teaches lies, he is the tail.

Ephesians 4:14

That we from now on be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, by which they lie in wait to deceive;

Revelation 9:10

And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.

Treasury of Scripture Knowledge

Summary

For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.

Bible References

In their tails

Revelation 9:10
And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.
Isaiah 9:15
The elder and honorable, he is the head; and the prophet that teaches lies, he is the tail.
Ephesians 4:14
That we from now on be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, by which they lie in wait to deceive;