Luke 6:45
"The good man out of the good treasure-house of his heart brings forth good; and the evil man out of the evil treasure-house of his heart brings forth evil; for the mouth speaks out of the abundance of the heart.
Matthew 12:34-37
"You generation of vipers! How can you speak good, when you are evil? For the mouth speaks what the heart is full of. "When the time of fruit drew near, he sent his slaves to the vine-dressers seized to get his fruit.
Acts 8:19-23
"Give me, too, this power, so that on whomever I lay my hands, he may receive the Holy Spirit."
Romans 3:13-14
Their throat is an open grave; With their tongues they have used deceit. The venom of asps is under their lips.
Ephesians 4:29
From your lips let no evil words come forth, but such as occasion warrants, such as are good for upbuilding and give a blessing to the hearers.
Ephesians 5:3-4
As for sexual vice and every kind of impurity or lust, it is unbecoming for you as Christians even to mention them;
Ephesians 5:19
when you talk together; with psalms and hymns and spiritual songs, singing and with all your hearts making music unto the Lord;
Colossians 4:6
Let your speech be always gracious, with a savor of salt, and learn how to give every man a fitting answer.
Hebrews 8:10
"For this is the covenant which I will covenant with the house of Israel, After these days," says the Lord; "I will put my laws into their minds, And upon their hearts will I write them; And I will be their God, And they shall be my people;
James 3:5-8
So also the tongue is a small member and makes great boasts. Behold, how great a forest is set on fire by a little spark!
John 7:38
"If any man thirst let him come to me and drink. From the heart of him who believes in me will flow, as the Scripture said, rivers of living water."
Acts 5:3
"Ananias," said Peter, "why has Satan so filled your heart that you are lying to the Holy Spirit, and keeping back part of the price of the land?
2 Corinthians 4:6-7
For God who said, "Out of darkness light shall shine," is he who has shone in my heart, that the sunrise of the knowledge of God may shine forth in the face of Christ.
Ephesians 3:8
To me, who am less than the least of all saints, has this grace been given, that I should proclaim among the Gentiles the gospel of the unsearchable riches of Christ;
Colossians 3:16
Let the word of Christ have its home in you richly, in all wisdom. Teach and admonish one another in psalms and hymns and spiritual songs, ever singing with grace in your hearts unto God.
Jude 1:15
to execute judgment upon all, and to convict all the ungodly of all the ungodly deeds which in their ungodliness they have committed; and of all the hard things which they have spoken against Him, ungodly sinners that they are!"