Luke 6:45
The good man out of the good treasure of his heart brings out that which is good, and the evil man out of the evil treasure of his heart brings out that which is evil, for out of the abundance of the heart, his mouth speaks.
Psalm 37:30-31
The mouth of the righteous talks of wisdom. His tongue speaks justice.
Proverbs 4:23
Keep your heart with all diligence, for out of it is the wellspring of life.
Matthew 12:34-37
You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
Acts 8:19-23
saying, "Give me also this power, that whoever I lay my hands on may receive the Holy Spirit."
Romans 3:13-14
"Their throat is an open tomb. With their tongues they have used deceit." "The poison of vipers is under their lips;"
Ephesians 4:29
Let no corrupt speech proceed out of your mouth, but such as is good for building up as the need may be, that it may give grace to those who hear.
Ephesians 5:3-4
But sexual immorality, and all uncleanness, or covetousness, let it not even be mentioned among you, as becomes saints;
Ephesians 5:19
speaking to one another in psalms, hymns, and spiritual songs; singing, and making melody in your heart to the Lord;
Colossians 4:6
Let your speech always be with grace, seasoned with salt, that you may know how you ought to answer each one.
Hebrews 8:10
"For this is the covenant that I will make with the house of Israel. After those days," says the Lord; "I will put my laws into their mind, I will also write them on their heart. I will be their God, and they will be my people.
James 3:5-8
So the tongue is also a little member, and boasts great things. See how a small fire can spread to a large forest!
Psalm 12:2-4
Everyone lies to his neighbor. They speak with flattering lips, and with a double heart.
Psalm 40:8-10
I delight to do your will, my God. Yes, your law is within my heart."
Psalm 41:6-7
If he comes to see me, he speaks falsehood. His heart gathers iniquity to itself. When he goes abroad, he tells it.
Psalm 52:2-4
Your tongue plots destruction, like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they spew with their mouth. Swords are in their lips, "For," they say, "who hears us?"
Psalm 59:12
For the sin of their mouth, and the words of their lips, let them be caught in their pride, for the curses and lies which they utter.
Psalm 64:3-8
who sharpen their tongue like a sword, and aim their arrows, deadly words,
Psalm 71:15-18
My mouth will tell about your righteousness, and of your salvation all day, though I don't know its full measure.
Psalm 140:5
The proud have hidden a snare for me, they have spread the cords of a net by the path. They have set traps for me. Selah.
Proverbs 10:20-21
The tongue of the righteous is like choice silver. The heart of the wicked is of little worth.
Proverbs 12:18
There is one who speaks rashly like the piercing of a sword, but the tongue of the wise heals.
Proverbs 15:23
Joy comes to a man with the reply of his mouth. How good is a word at the right time!
Proverbs 22:17-18
Turn your ear, and listen to the words of the wise. Apply your heart to my teaching.
Jeremiah 9:2-5
Oh that I had in the wilderness a lodging place of wayfaring men; that I might leave my people, and go from them! for they are all adulterers, an assembly of treacherous men.
John 7:38
He who believes in me, as the Scripture has said, from within him will flow rivers of living water."
Acts 5:3
But Peter said, "Ananias, why has Satan filled your heart to lie to the Holy Spirit, and to keep back part of the price of the land?
2 Corinthians 4:6-7
seeing it is God who said, "Light will shine out of darkness," who has shone in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
Ephesians 3:8
To me, the very least of all saints, was this grace given, to preach to the Gentiles the unsearchable riches of Christ,
Colossians 3:16
Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, and spiritual songs, singing with grace in your heart to the Lord.
Jude 1:15
to execute judgment on all, and to convict all the ungodly of all their works of ungodliness which they have done in an ungodly way, and of all the hard things which ungodly sinners have spoken against him."