Revelation 9:19

For the power of the horses is in their mouths and in their tails, for their tails [are] similar in appearance to snakes, having heads, and with them they cause injury.

Isaiah 9:15

Elders and {the respectable} [are] the head, and prophets who teach lies [are] the tail.

Ephesians 4:14

so that we may no longer be infants, tossed about by waves and carried about by every wind of teaching, by the trickery of people, by craftiness with reference to the scheming of deceit.

Revelation 9:10

And they have tails similar in appearance to scorpions, and stings, and their power to injure people [for] five months [is] in their tails.

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 similar in appearance to scorpions, and stings, and their power to injure people [for] five months [is] in their tails.
Isaiah 9:15
Elders and {the respectable} [are] the head, and prophets who teach lies [are] the tail.
Ephesians 4:14
so that we may no longer be infants, tossed about by waves and carried about by every wind of teaching, by the trickery of people, by craftiness with reference to the scheming of deceit.