Then the Lord put out his hand and touched my mouth. And the Lord said to me, “Behold, I have put my words in your mouth. Psalm 141:3

And I saw coming out of the mouth of the dragon and out of the mouth of the beast and out of the mouth of the false prophet, three unclean spirits like frogs; Proverbs 10:11

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. Ephesians 4:29

“It is not what enters into the mouth that defiles the man, but what proceeds out of the mouth, this defiles the man.” Matthew 15:11

A worthless person, a wicked man, walks with a perverse mouth, winking with his eyes, speaking with his feet, pointing with his fingers. Proverbs 6:12 – 13

“Good comes from a good man because of the riches he has in his heart. Sin comes from a sinful man because of the sin he has in his heart. The mouth speaks of what the heart is ~Luke 6:45

Let the words of my mouth and the meditation of my heart be acceptable in your sight, O LORD, my rock and my redeemer. Psalm 19:14

Whoever keeps his mouth and his tongue keeps himself out of trouble. Proverbs 21:23

I am the LORD your God, which brought you out of the land of Egypt: open your mouth wide, and I will fill it. I am. Exodus 20:2