Proverbs 18:21

Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.

Ephesians 4:29

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

Matthew 12:35-37

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

Colossians 4:6

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

Proverbs 10:19-21

In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.

Proverbs 10:31

The mouth of the just bringeth forth wisdom: but the froward tongue shall be cut out.

Proverbs 11:30

The fruit of the righteous is a tree of life; and he that winneth souls is wise.

Proverbs 12:13

The wicked is snared by the transgression of his lips: but the just shall come out of trouble.

Proverbs 13:2-3

A man shall eat good by the fruit of his mouth: but the soul of the transgressors shall eat violence.

Proverbs 18:4-7

The words of a man's mouth are as deep waters, and the wellspring of wisdom as a flowing brook.

Ecclesiastes 10:12-14

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

Titus 1:10-11

For there are many unruly and vain talkers and deceivers, specially they of the circumcision:

James 3:6-9

And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.

Isaiah 57:19

I create the fruit of the lips; Peace, peace to him that is far off, and to him that is near, saith the LORD; and I will heal him.

Romans 10:14-15

How then shall they call on him in whom they have not believed? and how shall they believe in him of whom they have not heard? and how shall they hear without a preacher?

2 Corinthians 2:16

To the one we are the savour of death unto death; and to the other the savour of life unto life. And who is sufficient for these things?

2 Corinthians 11:15

Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.

2 Peter 2:18

For when they speak great swelling words of vanity, they allure through the lusts of the flesh, through much wantonness, those that were clean escaped from them who live in error.

Treasury of Scripture Knowledge

Bible References

Death

Proverbs 18:4
The words of a man's mouth are as deep waters, and the wellspring of wisdom as a flowing brook.
Proverbs 10:20
The tongue of the just is as choice silver: the heart of the wicked is little worth.
Proverbs 11:30
The fruit of the righteous is a tree of life; and he that winneth souls is wise.
Matthew 12:35
A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.
Romans 10:14
How then shall they call on him in whom they have not believed? and how shall they believe in him of whom they have not heard? and how shall they hear without a preacher?
2 Corinthians 2:16
To the one we are the savour of death unto death; and to the other the savour of life unto life. And who is sufficient for these things?
2 Corinthians 11:15
Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.
Ephesians 4:29
Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.
Colossians 4:6
Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
Titus 1:10
For there are many unruly and vain talkers and deceivers, specially they of the circumcision:
James 3:6
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.
2 Peter 2:18
For when they speak great swelling words of vanity, they allure through the lusts of the flesh, through much wantonness, those that were clean escaped from them who live in error.

And

Proverbs 10:19
In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
Ecclesiastes 10:12
The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
Isaiah 57:19
I create the fruit of the lips; Peace, peace to him that is far off, and to him that is near, saith the LORD; and I will heal him.

General references

Deuteronomy 22:14
And give occasions of speech against her, and bring up an evil name upon her, and say, I took this woman, and when I came to her, I found her not a maid:
Proverbs 21:23
Whoso keepeth his mouth and his tongue keepeth his soul from troubles.

King James Version Public Domain