James 3:5

So the tongue is a small part of the body, yet boasteth great things. Behold how much fuel a little fire kindleth!

Revelation 13:5-6

And there was given him a mouth speaking great and blasphemous things, and power was given him to make war forty two months.

2 Peter 2:18

For when they speak swelling words of vanity, they ensnare in the lusts of the flesh, through their lasciviousness, those who had indeed withdrawn from such as deal in error;

Jude 1:16

These are murmurers, complainers, who walk according to their own irregular desires; and their mouth speaketh great swelling words, with admiration of certain persons for some advantage of their own.

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 when they speak swelling words of vanity, they ensnare in the lusts of the flesh, through their lasciviousness, those who had indeed withdrawn from such as deal in error;

These are murmurers, complainers, who walk according to their own irregular desires; and their mouth speaketh great swelling words, with admiration of certain persons for some advantage of their own.

And there was given him a mouth speaking great and blasphemous things, and power was given him to make war forty two months.