Luke 6:45
A good man, out of the good treasure of his heart, bringeth forth that which is good; and an evil man, out of the evil treasure of his heart, bringeth forth that which is evil; for of the abundance of the heart the mouth speaketh.
Matthew 12:34-37
Ye brood 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
offered them money, Saying, Give me also this power, that on whomsoever I lay hands, he may receive the Holy Ghost.
Romans 3:13-14
Their throat is an open sepulchre; with their tongues have they used deceit; the poison of asps is under their lips.
Ephesians 4:29
Let no corrupt discourse proceed out of your mouth, but that which is good, to the use of edifying, that it may minister grace to the hearers.
Ephesians 5:3-4
But let not fornication, or any uncleanness, or covetousness be even named among you, as becometh saints:
Ephesians 5:19
wherein is excess; but be ye filled with the Spirit, Speaking to each other in psalms, and hymns, and spiritual songs, singing and making melody with your hearts unto the Lord;
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer every one.
Hebrews 8:10
For this is the covenant which I will make with the house of Israel after those days, saith the Lord: I will put my laws in their minds, and write them on their hearts, 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, yet boasteth great things. Behold how much matter a little fire kindleth.
John 7:38
He that believeth on me, out of his belly (as the scripture hath said) shall flow rivers of living water.
Acts 5:3
But Peter said, Ananias, why hath Satan filled thy heart, to lie to the Holy Ghost?
2 Corinthians 4:6-7
For God, who commanded the light to shine out of darkness, hath shined in our hearts, to inlighten us with 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 is this grace given, to preach among 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 in psalms, and hymns, and spiritual songs, singing with grace in your heart unto the Lord.
Jude 1:15
To execute judgment upon all, and to convict all the ungodly of them of all their ungodly deeds, which they have impiously committed, and of all the grievous things which ungodly sinners have spoken against him.