NAS Proverbs 6:16 There are six things which the LORD hates, Yes, seven which are an
abomination to Him: 17 Haughty eyes, a lying tongue, And hands that shed innocent blood, 18 A heart that devises wicked plans, Feet that run rapidly to evil, 19 A false witness who utters lies, And one who spreads strife among brothers.

NAS Proverbs 10:19 When there are many words, transgression is unavoidable, But he who restrains his lips is wise.

NAS Proverbs 13:3 The one who guards his mouth preserves his life; The one who opens wide his lips comes to ruin.

NAS Proverbs 15:28 The heart of the righteous ponders how to answer, But the mouth of the wicked pours out evil things.

NAS Psalm 39:1 . . . I said, " I will guard my ways, That I may not sin with my tongue; I will
guard my mouth as with a muzzle, While the wicked are in my presence."

NAS Ecclesiastes 5:6 Do not let your speech cause you to sin and do not say in the presence of the messenger of God that it was a mistake. Why should God be angry on account of your voice and destroy the work of your hands?

NAS Ecclesiastes 10:12 Words from the mouth of a wise man are gracious, while the lips of a fool consume him; 13 the beginning of his talking is folly, and the end of it is wicked madness. 14 Yet the fool multiplies words. No man knows what will happen, and who can tell him what will come after him?

NAS James 1:26 If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man's religion is worthless.

NAS James 3:2 For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.

NAS James 3:6 And the tongue is a fire, the very world of iniquity; the tongue is set among our members as that which defiles the entire body, and sets on fire the course of our life, and is set on fire by hell. 7 For every species of beasts and birds, of reptiles and creatures of the sea, is tamed, and has been tamed by the human race. 8 But no one can tame the tongue; it is a restless evil and full of deadly poison.

Conclusion: Confess And Improve

NAS 1 John 1:9 If we confess our sins, He is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness.

NAS 1 Peter 3:10 For, "LET HIM WHO MEANS TO LOVE LIFE AND SEE GOOD DAYS REFRAIN HIS TONGUE FROM EVIL AND HIS LIPS FROM SPEAKING GUILE.

NAS Colossians 3:8 But now you also, put them all aside: anger, wrath, malice, slander,  and abusive speech from your mouth. 9 Do not lie to one another, since you laid aside the old self with its evil practices, 10 and have put on the new self who is being renewed to a true knowledge according to the image of the One who created him

NAS Ephesians 4:22 that, in reference to your former manner of life, you lay aside the old self, which is being corrupted in accordance with the lusts of deceit, 23 and that you be renewed in the spirit of your mind, 24 and put on the new self, which in the likeness of God has been created in righteousness and holiness of the truth. 25 Therefore, laying aside falsehood, SPEAK TRUTH, EACH ONE of you, WITH HIS NEIGHBOR, for we are members of one another.