Revelation 9:19

The power of the horses was in their mouths and in their tails: for their tails were like serpents that had heads, and with them they inflict harm.

Isaiah 9:15

Elders and dignitaries are the head, and prophets who teach lies are the tail.

Ephesians 4:14

We must no longer be children, tossed to and fro and carried about with every wind of doctrine, by the trickery of men, in craftiness, after the wiles of error.

Revelation 9:10

Their tails were like scorpions' tails, for there were stings in their tails. They had power 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
Their tails were like scorpions' tails, for there were stings in their tails. They had power to hurt men five months.
Isaiah 9:15
Elders and dignitaries are the head, and prophets who teach lies are the tail.
Ephesians 4:14
We must no longer be children, tossed to and fro and carried about with every wind of doctrine, by the trickery of men, in craftiness, after the wiles of error.