Luke 4:22

And they all bare him witness, and wondered at the gracious words which proceeded out of his mouth. And they said, Is not this Joseph's son?

Matthew 12:35

A good man out of the good treasure bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.

Luke 19:22

And he saith to him, Out of thy own mouth will I judge thee, thou wicked servant. Thou knewest that I am an austere man, taking up what I laid not down, and reaping what I did not sow.

Ephesians 4:29

Let no corrupt discourse proceed out of your mouth, but that which is good, to the use of edifying, that it may minister grace to the hearers.

Colossians 4:6

Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer every one.

Treasury of Scripture Knowledge

Summary

The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.

Bible References

Words

Matthew 12:35
A good man out of the good treasure bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.
Luke 4:22
And they all bare him witness, and wondered at the gracious words which proceeded out of his mouth. And they said, Is not this Joseph's son?
Ephesians 4:29
Let no corrupt discourse proceed out of your mouth, but that which is good, to the use of edifying, that it may minister grace to the hearers.
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer every one.