Luke 6:45
The good man, out of the good treasury of his heart, brings forth that which is good; and the evil man, out of the evil treasury of his heart, brings forth that which is evil. For out of the abundance of his heart his mouth speaks.
Matthew 12:34-37
Generation 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 authority, that who ever I shall lay my hands on, may receive the Holy Spirit.
Romans 3:13-14
their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;
Ephesians 4:29
Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers:
Ephesians 5:3-4
But lewdness, and all manner of uncleanness, or covetousness, let them not be named among you, as it becomes saints;
Ephesians 5:19
speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord,
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that you may know how you ought to answer every one.
Hebrews 8:10
For this is the covenant that I will make with the house of Israel, after those days, says the Lord; putting my laws into their understanding, I will also write them upon their hearts; and I will be to them a God, and they shall be to me a people;
James 3:5-8
So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze.
John 7:38
He that believes on me, as the scripture has said, from his inner self shall flow rivers of living water.
Acts 5:3
But Peter said: Ananias, why has Satan filled your heart, that you should at tempt to deceive the Holy Spirit, and keep back part of the price of the land?
2 Corinthians 4:6-7
Because God, who commanded the light to shine out of darkness, has shined in our hearts, to give the light of the glorious knowledge of God in the person of Jesus Christ.
Ephesians 3:8
to me, who am by far the least of all the saints, has this grace been given, that I might preach among the Gentiles the unsearchable riches of the Christ,
Colossians 3:16
Let the word of the Christ dwell in you richly in all wisdom, by teaching and admonishing one another in psalms, hymns, and spiritual songs, singing with gratitude in your hearts to the Lord.
Jude 1:15
to execute judgment upon all, and to convict all the ungodly of all their ungodly works, which they have impiously committed, and of all the hard words which ungodly sinners have spoken against him.