Luke 6:45
The good man out of the good treasure of his heart bringeth forth that which is good; and the evil man out of the evil treasure bringeth forth that which is evil: for out of the abundance of the heart his mouth speaketh.
Psalm 37:30-31
The mouth of the righteous talketh of wisdom, And his tongue speaketh justice.
Proverbs 4:23
Keep thy heart with all diligence; For out of it are the issues of life.
Matthew 12:34-37
Ye offspring of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
Acts 8:19-23
saying, Give me also this power, that on whomsoever I lay my hands, he may receive the Holy Spirit.
Romans 3:13-14
Their throat is an open sepulchre; With their tongues they have used deceit: The poison of asps is under their lips:
Ephesians 4:29
Let no corrupt speech proceed out of your mouth, but such as is good for edifying as the need may be, that it may give grace to them that hear.
Ephesians 5:3-4
But fornication, and all uncleanness, or covetousness, let it not even be named among you, as becometh saints;
Ephesians 5:19
speaking one to another in psalms and hymns and spiritual songs, singing and making melody with your heart to the Lord;
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that ye may know how ye 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, saith the Lord; I will put my laws into their mind, And on their heart also will I write them: And I will be to them a God, And they shall be to me a people:
James 3:5-8
So the tongue also is a little member, and boasteth great things. Behold, how much wood is kindled by how small a fire!
Psalm 12:2-4
They speak falsehood every one with his neighbor: With flattering lip, and with a double heart, do they speak.
Psalm 40:8-10
I delight to do thy will, O my God; Yea, thy law is within my heart.
Psalm 41:6-7
And if he come to see me , he speaketh falsehood; His heart gathereth iniquity to itself: When he goeth abroad, he telleth it.
Psalm 52:2-4
Thy tongue deviseth very wickedness, Like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they belch out with their mouth; Swords are in their lips: For who,'say they , doth hear?
Psalm 59:12
For the sin of their mouth, and the words of their lips, Let them even be taken in their pride, And for cursing and lying which they speak.
Psalm 64:3-8
Who have whet their tongue like a sword, And have aimed their arrows, even bitter words,
Psalm 71:15-18
My mouth shall tell of thy righteousness, And of thy salvation all the day; For I know not the numbers thereof .
Psalm 140:5
The proud have hid a snare for me, and cords; They have spread a net by the wayside; They have set gins for me. Selah
Proverbs 10:20-21
The tongue of the righteous is as choice silver: The heart of the wicked is little worth.
Proverbs 12:18
There is that speaketh rashly like the piercings of a sword; But the tongue of the wise is health.
Proverbs 15:23
A man hath joy in the answer of his mouth; And a word in due season, how good is it!
Proverbs 22:17-18
Incline thine ear, and hear the words of the wise, And apply thy heart unto my knowledge.
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 that believeth on me, as the scripture hath said, from within him shall flow rivers of living water.
Acts 5:3
But Peter said, Ananias, why hath Satan filled thy 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, that said, Light shall shine out of darkness, who shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
Ephesians 3:8
Unto me, who am less than the least of all saints, was this grace given, to preach unto 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 and hymns and'spiritual songs, singing with grace in your hearts unto God.
Jude 1:15
to execute judgment upon all, and to convict all the ungodly of all their works of ungodliness which they have ungodly wrought, and of all the hard things which ungodly sinners have spoken against him.