Luke 6:45
"The good man out of the good treasure of his heart brings forth that which is good; and the evil, out of the evil treasure brings forth that which is evil; for out of the abundance of the heart does his mouth speak.
Matthew 12:34-37
"Broods of vipers! how can ye speak good things, being yourselves evil? For, out of the abundance of the heart, the mouth speaks.
Acts 8:19-23
saying, "Give me also this authority, that on whomsoever I lay hands, he may receive the Holy Spirit."
Romans 3:13-14
their throat is an open sepulchre; with their tongues they used deceit; the poison of asps is under their lips;
Ephesians 4:29
Let no corrupt speech proceed out of your mouth, but whatever is good for the supplying of the need, that it may give grace to those who hear.
Ephesians 5:3-4
But fornication, and all uncleanness, or covetousness, let it not even be named among you, as 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 ye may know how ye ought to answer each one.
Hebrews 8:10
Because this is the covenant which I will make with the house of Israel after those days, saith the Lord: Putting My laws into their mind, 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 small a fire kindles how great a forest!
John 7:38
He that believes on Me, as the Scripture said, from within him shall flow rivers of living water."
Acts 5:3
But Peter said, "Ananias, why did Satan fill your heart, that you should lie to the Holy Spirit, and keep back part of the price of the land?
2 Corinthians 4:6-7
because it is the God Who 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
To me, who am less than the least of all saints, was this grace given, to proclaim, to the gentiles, the glad tidings of 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, spiritual songs, singing with grace in your hearts, to God.
Jude 1:15
to execute judgment upon all, and to convict all the ungodly of all their works of ungodliness, which in ungodliness they committed, and of all the hard things which, as ungodly sinners, they spake against Him."