Revelation 9:19

For their powers are in their month, and in their tails: for their tails like serpents, having heads, and with them they injure.

Isaiah 9:15

The old man and they lifting up faces, he the head; and the prophet teaching falsehood, be the tail.

Ephesians 4:14

That we be no more babes, tossed about, and carried around by every wind of doctrine, in the playing at dice of men, in craft, with the artifice of deceit;

Revelation 9:10

And they have tails as scorpions, and goads were in their tails: and their power to injure 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 have tails as scorpions, and goads were in their tails: and their power to injure men five months.
Isaiah 9:15
The old man and they lifting up faces, he the head; and the prophet teaching falsehood, be the tail.
Ephesians 4:14
That we be no more babes, tossed about, and carried around by every wind of doctrine, in the playing at dice of men, in craft, with the artifice of deceit;