James 4:11-12
11 Don’t speak against one another, brothers. He who speaks against a brother and judges his brother, speaks against the law and judges the law. But if you judge the law, you are not a doer of the law, but a judge. 12 Only one is the lawgiver, who is able to save and to destroy. But who are you to judge another?
Proverbs 21:23
23 Whoever guards his mouth and his tongue
keeps his soul from troubles.
James 3:8-10
8 but nobody can tame the tongue. It is a restless evil, full of deadly poison. 9 With it we bless our God and Father, and with it we curse men who are made in the image of God. 10 Out of the same mouth comes blessing and cursing. My brothers, these things ought not to be so.
Proverbs 18:21
21 Death and life are in the power of the tongue;
those who love it will eat its fruit.
Proverbs 18:13
13 He who answers before he hears,
that is folly and shame to him.
Proverbs 17:27
27 He who spares his words has knowledge.
He who is even tempered is a man of understanding.
Proverbs 17:20
20 One who has a perverse heart doesn’t find prosperity,
and one who has a deceitful tongue falls into trouble.
Proverbs 16:24
24 Pleasant words are a honeycomb,
sweet to the soul, and health to the bones.
Proverbs 16:23
23 The heart of the wise instructs his mouth,
and adds learning to his lips.
Proverbs 16:21
21 The wise in heart shall be called prudent.
Pleasantness of the lips promotes instruction.
Proverbs 15:28
28 The heart of the righteous weighs answers,
but the mouth of the wicked gushes out evil.
Proverbs 15:1
A gentle answer turns away wrath,
but a harsh word stirs up anger.
Proverbs 14:3
3 The fool’s talk brings a rod to his back,
but the lips of the wise protect them.
Proverbs 13:3
3 He who guards his mouth guards his soul.
One who opens wide his lips comes to ruin.
Proverbs 11:9
9 With his mouth the godless man destroys his neighbor,
but the righteous will be delivered through knowledge.
Proverbs 11:3
3 The integrity of the upright shall guide them,
but the perverseness of the treacherous shall destroy them.
Proverbs 10:19
19 In the multitude of words there is no lack of disobedience,
but he who restrains his lips does wisely.
Ephesians 4:29
29 Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.
Proverbs 29:20
20 Do you see a man who is hasty in his words?
There is more hope for a fool than for him.
Ecclesiastes 5:4-5
4 When you vow a vow to God, don’t defer to pay it; for he has no pleasure in fools. Pay that which you vow. 5 It is better that you should not vow, than that you should vow and not pay.
Ecclesiastes 5:2
2 Don’t be rash with your mouth, and don’t let your heart be hasty to utter anything before God; for God is in heaven, and you on earth. Therefore let your words be few.
Proverbs 4:24
Put away from yourself a perverse mouth. Put corrupt lips far from you.
Luke 12:2-3
2 But there is nothing covered up that will not be revealed, nor hidden that will not be known. 3 Therefore whatever you have said in the darkness will be heard in the light. What you have spoken in the ear in the inner rooms will be proclaimed on the housetops.
Ephesians 4:29
29 Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.
Ephesians 4:31-32
31 Let all bitterness, wrath, anger, outcry, and slander be put away from you, with all malice. 32 And be kind to one another, tender hearted, forgiving each other, just as God also in Christ forgave you.
Colossians 4:6
6 Let your speech always be with grace, seasoned with salt, that you may know how you ought to answer each one.
James 1:19-20
19 So, then, my beloved brothers, let every man be swift to hear, slow to speak, and slow to anger; 20 for the anger of man doesn’t produce the righteousness of God.
1 Peter 4:11
If anyone speaks, let it be as it were the very words of God. If anyone serves, let it be as of the strength which God supplies, that in all things God may be glorified through Jesus Christ, to whom belong the glory and the dominion forever and ever. Amen.
1 Peter 3:10
10 For,
“Whoever would love life
and see good days
must keep their tongue from evil
and their lips from deceitful speech.
Psalm 141:3
Set a watch, Yahweh, before my mouth. Keep the door of my lips.
Malachi 2:7
For the priest’s lips should keep knowledge, and they should seek the law at his mouth; for he is the messenger of Yahweh of Armies.
Proverbs 31:8-9
Open your mouth for the mute,
in the cause of all who are left desolate.
9 Open your mouth, judge righteously,
and serve justice to the poor and needy.”