James 3:5

So the tongue, too, is a little organ but can boast of great achievements. See how a spark, ever so tiny, can set a vast forest on fire!

Revelation 13:5-6

Then there was given to the wild beast a mouth that uttered boastful, blasphemous words, and permission to wield his authority for forty-two months.

2 Peter 2:18

For by uttering arrogant nonsense, through base desires of the lower nature, they entice into immorality men who are just escaping from those who live in error,

Jude 1:16

These persons are grumblers, ever complaining about their lot. They live to satisfy their evil passions, their lips boast arrogant things, and they flatter others for personal gain.

Treasury of Scripture Knowledge

Summary

James 3:5

Even so the tongue is a little member, and boasteth great things. Behold, how great a matter a little fire kindleth!

So

2 Peter 2:18

Jude 1:16

Revelation 13:5

Bible References

So

For by uttering arrogant nonsense, through base desires of the lower nature, they entice into immorality men who are just escaping from those who live in error,

These persons are grumblers, ever complaining about their lot. They live to satisfy their evil passions, their lips boast arrogant things, and they flatter others for personal gain.

Then there was given to the wild beast a mouth that uttered boastful, blasphemous words, and permission to wield his authority for forty-two months.