For there is no faithfulness in their mouth. Their inward part is very wickedness. Their throat is an open sepulcher. With their tongue they {deceive (LXX/NT)}.

Thy tongue devises wickedness, like a sharp razor, working deceitfully.

Their eyes stand out with fatness. They have more than heart could wish.

Ye offspring of vipers, how can ye, being evil, speak good things? For out of the abundance of the heart the mouth speaks.

Their throat is an open grave. With their tongues they deceive. The poison of asps is under their lips,

If in respect to men I fought with beasts at Ephesus, what is the benefit to me if the dead are not raised? Let us eat and drink, for tomorrow we die.

But now ye also, put off all these things: anger, wrath, wickedness, reviling, filthy speaking out of your mouth.

your speech always with grace seasoned with salt, to know how it is fitting for you to answer each one.

For we all stumble in many things. If any man does not stumble in word, this is a perfect man, able also to bridle the whole body.

For, uttering swollen things of vanity, they entice (to sensuality by lusts of flesh) those who actually escaped from those who live in error,

wild waves of the sea foaming out their own shame, wandering stars for whom the gloom of darkness has been reserved into an age.

And a mouth was given to it speaking great things and blasphemy. And authority was given it to make war forty-two months.

That which

And these words, which I command thee this day, shall be upon thy heart.

The mouth of a righteous man talks of wisdom, and his tongue speaks justice.

Thou are fairer than the sons of men. Grace is poured into thy lips. Therefore God has blessed thee forever.

O God, thou have taught me from my youth, and I have declared thy wondrous works until now.

We will not hide them from their sons, telling to the generation to come the praises of LORD, and his strength, and his wondrous works that he has done.

The mouth of a righteous man brings forth wisdom, but the perverse tongue shall be cut off.

A wicked man is snared by the transgression of [his] lips, but the righteous shall come out of trouble.

The tongue of the wise utters knowledge rightly, but the mouth of fools pours out folly.

The wise in heart shall be called prudent, and the sweetness of the lips increases learning.

A word fitly spoken is apples of gold in a network of silver.

Lord LORD has given me the tongue of those who are taught, that I may know how to sustain with words him who is weary. He awakens morning by morning. He awakens my ear to hear as those who are taught.

Then those who feared LORD spoke one with another, and LORD hearkened, and heard, and a book of remembrance was written before him, for those who feared LORD, and who thought upon his name.

And all witnessed to him, and wondered at the words of grace that proceeded out of his mouth. And they said, Is this not the son of Joseph?

Yet in an assembly I would rather speak five words with my intellect, so that I might also make others understand, than countless words in a tongue.

Let the word of Christ dwell in you abundantly in all wisdom, teaching and admonishing yourselves in psalms and hymns and spiritual songs, singing by grace in your hearts to God.

your speech always with grace seasoned with salt, to know how it is fitting for you to answer each one.

Therefore encourage each other, and build ye up one by one, just as ye also are doing.

To the use of edifying

for the perfecting of the sanctified, for the work of ministry, for edification of the body of the Christ.

Minister

Thus your light should shine before men, so that they may see your good works, and glorify your Father in the heavens.

Having your behavior good among the Gentiles, so that, upon which they speak against you as evil-doers, they may glorify God in the day of visitation, from having observed your good works.

Likewise the wives, being subordinate to their own husbands, so that even if any are disobedient to the word, they will be gained without a word by the behavior of the wives,

General references

The mouth of a righteous man talks of wisdom, and his tongue speaks justice.