Matthew 12:34-37

Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.

Ephesians 4:29

Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers:

James 3:5-8

So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze.

Treasury of Scripture Knowledge

Summary

The mouth of a righteous man is a well of life: but violence covereth the mouth of the wicked.

Mouth of a

Bible References

Mouth of a

Ephesians 4:29
Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers:

But

Matthew 12:34
Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
James 3:5
So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze.