Luke 6:45
The good man, out of the good store of his heart, gives good things; and the evil man, out of his evil store, gives evil: for out of the full store of the heart come the words of the mouth.
Psalm 37:30-31
The mouth of the good man says words of wisdom; the talk of his tongue is of righteousness.
Proverbs 4:23
And keep watch over your heart with all care; so you will have life.
Matthew 12:34-37
You offspring of snakes, how are you, being evil, able to say good things? because out of the heart's store come the words of the mouth.
Acts 8:19-23
Give me this power, so that when I put my hands on anyone he may get the Holy Spirit.
Romans 3:13-14
Their throat is like an open place of death; with their tongues they have said what is not true: the poison of snakes is under their lips:
Ephesians 4:29
Let no evil talk come out of your mouth, but only what is good for giving necessary teaching, and for grace to those who give ear.
Ephesians 5:3-4
But evil acts of the flesh and all unclean things, or desire for others' property, let it not even be named among you, as is right for saints;
Ephesians 5:19
Joining with one another in holy songs of praise and of the Spirit, using your voice in songs and making melody in your heart to the Lord;
Colossians 4:6
Let your talk be with grace, mixed with salt, so that you may be able to give an answer to everyone.
Hebrews 8:10
For this is the agreement which I will make with the people of Israel after those days: I will put my laws into their minds, writing them in their hearts: and I will be their God, and they will be my people:
James 3:5-8
Even so the tongue is a small part of the body, but it takes credit for great things. How much wood may be lighted by a very little fire!
Psalm 12:2-4
Everyone says false words to his neighbour: their tongues are smooth in their talk, and their hearts are full of deceit.
Psalm 40:8-10
My delight is to do your pleasure, O my God; truly, your law is in my heart.
Psalm 41:6-7
If one comes to see me, deceit is in his heart; he keeps a store of evil, which he makes public in every place.
Psalm 52:2-4
Purposing destruction, using deceit; your tongue is like a sharp blade.
Psalm 59:7
See, hate is dropping from their lips; curses are on their tongues: they say, Who gives attention to it?
Psalm 59:12
Because of the sin of their mouths and the word of their lips, let them even be taken in their pride; and for their curses and their deceit,
Psalm 64:3-8
Who make their tongues sharp like a sword, and whose arrows are pointed, even bitter words;
Psalm 71:15-18
My mouth will make clear your righteousness and your salvation all the day; for they are more than may be measured.
Psalm 140:5
The men of pride have put secret cords for my feet; stretching nets in my way, so that they may take me with their tricks. (Selah.)
Proverbs 10:20-21
The tongue of the upright man is like tested silver: the heart of the evil-doer is of little value.
Proverbs 12:18
There are some whose uncontrolled talk is like the wounds of a sword, but the tongue of the wise makes one well again.
Proverbs 15:23
A man has joy in the answer of his mouth: and a word at the right time, how good it is!
Proverbs 22:17-18
Let your ear be bent down for hearing my words, and let your heart give thought to knowledge.
Jeremiah 9:2-5
If only I had in the waste land a night's resting-place for travellers, so that I might go away, far from my people! for they are all untrue, a band of false men.
John 7:38
He who has faith in me, out of his body, as the Writings have said, will come rivers of living water.
Acts 5:3
But Peter said, Ananias, why has the Evil One put it into your heart to be false to the Holy Spirit, and to keep back part of the price of the land?
2 Corinthians 4:6-7
Seeing that it is God who said, Let light be shining out of the dark, who has put in our hearts the light of the knowledge of the glory of God in the face of Jesus Christ.
Ephesians 3:8
To me, who am less than the least of all the saints, was this grace given, so that I might make clear to the Gentiles the good news of the unending wealth of Christ:
Colossians 3:16
Let the word of Christ be in you in all wealth of wisdom; teaching and helping one another with songs of praise and holy words, making melody to God with grace in your hearts.
Jude 1:15
To be the judge of all, and to give a decision against all those whose lives are unpleasing to him, because of the evil acts which they have done, and because of all the hard things which sinners without fear of God have said against him.