As long as my breath is in me, And the breath of God in my nostrils, My lips will not speak wickedness, Nor my tongue utter deceit. - Job 27:3-4 NKJV 

 

A Psalm of David. LORD, who may abide in Your tabernacle? Who may dwell in Your holy hill? He who walks uprightly, And works righteousness, And speaks the truth in his heart; He who does not backbite with his tongue, Nor does evil to his neighbor, Nor does he take up a reproach against his friend; - Psalm 15:1-3 NKJV 

 

Set a guard, O LORD, over my mouth; Keep watch over the door of my lips. - Psalm 141:3 NKJV 

 

You are snared by the words of your mouth; You are taken by the words of your mouth. - Proverbs 6:2 NKJV 

 

He who guards his mouth preserves his life, But he who opens wide his lips shall have destruction.

- Proverbs 13:3 NKJV 

 

Pleasant words are like a honeycomb, Sweetness to the soul and health to the bones. - Proverbs 16:24 NKJV 

 

The words of a talebearer are like tasty trifles, And they go down into the inmost body. - Proverbs 18:8 NKJV 

 

A man's stomach shall be satisfied from the fruit of his mouth; From the produce of his lips he shall be filled. Death and life are in the power of the tongue, And those who love it will eat its fruit. - Proverbs 18:20-21 NKJV 

 

Do not be a witness against your neighbor without cause, For would you deceive with your lips?

- Proverbs 24:28 NKJV 

 

"But I say to you that for every idle word men may speak, they will give account of it in the day of judgment. For by your words you will be justified, and by your words you will be condemned." - Matthew 12:36-37 NKJV 

 

"A good man out of the good treasure of his heart brings forth good; and an evil man out of the evil treasure of his heart brings forth evil. For out of the abundance of the heart his mouth speaks. - Luke 6:45 NKJV 

 

Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers. - Ephesians 4:29 NKJV 

 

And do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption. Let all bitterness, wrath, anger, clamor, and evil speaking be put away from you, with all malice. - Ephesians 4:30-31 NKJV 

 

Let your speech always be with grace, seasoned with salt, that you may know how you ought to answer each one. - Colossians 4:6 NKJV 

 

If anyone among you thinks he is religious, and does not bridle his tongue but deceives his own heart, this one's religion is useless. - James 1:26 NKJV 

 

Out of the same mouth proceed blessing and cursing. My brethren, these things ought not to be so. - James 3:10 NKJV 

 

For "He who would love life And see good days, Let him refrain his tongue from evil, And his lips from speaking deceit. - 1 Peter 3:10 NKJV