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, his mouth speaketh.
Psalm 37:30-31
The mouth of the righteous is exercised in wisdom, and his tongue talketh of judgment.
Proverbs 4:23
Keep thine heart with all diligence, for thereupon hangeth life.
Matthew 12:34-37
O generation of vipers, how can ye say well, when ye yourselves are evil? For of the abundance of the heart, the mouth speaketh.
Acts 8:19-23
"Give me also this power, that on whomsoever I put the hands, he may receive the holy ghost."
Romans 3:13-14
"Their throat is an open sepulchre, with their tongues they have deceived." "The poison of Asps is under their lips."
Ephesians 4:29
Let no filthy communication proceed out of your mouths: but that which is good to edify withal, when need is, that it may have favour with the hearers.
Ephesians 5:3-4
So that fornication, and all uncleanness or covetousness, be not once named among you, as it becometh saints:
Ephesians 5:19
speaking unto yourselves in psalms, and hymns, and spiritual songs, singing and making melody to the Lord in your hearts,
Colossians 4:6
Let your speech be always well favoured and be powdered with salt, that ye may know how to answer every man.
Hebrews 8:10
For this is the testament that I will make with the house of Israel: After those days, saith the Lord, I will put my laws in their minds, and in their hearts, I will write them, and I will be their God, and they shall be my people.
James 3:5-8
even so the tongue is little member and boasteth great things. Behold how great a thing a little fire kindleth,
Psalm 12:2-4
They talk of vanity every one with his neighbour; they do but flatter with their lips, and dissemble in their double heart.
Psalm 40:8-10
that I should fulfill thy will, O my God. I am content to do it; yea, thy law is within my heart."
Psalm 41:6-7
And if he come to see me, he speaketh vanity, and his heart conceiveth falsehood within himself; and when he cometh forth, he telleth it.
Psalm 52:2-4
Thy tongue imagineth wickedness, and with lies it cutteth like a sharp razor.
Psalm 59:7
Behold, they speak against me with their mouth, and swords are under their lips, for who reproveth them?
Psalm 59:12
For the sin of their mouth, for the words of their lips, and because of their pride, let them be taken. And why? Their preaching is of cursing and lies.
Psalm 64:3-8
who have whet their tongue like a sword, and shoot out their arrows, even bitter words,
Psalm 71:15-18
My mouth shall speak daily of thy righteousness and salvation; for I know no end thereof.
Psalm 140:5
The proud have laid a snare for me, and spread a net abroad with cords, yea and set traps in my way. Selah.
Proverbs 10:20-21
An innocent tongue is a noble treasure; but the heart of the ungodly is nothing worth.
Proverbs 12:18
A slanderous person pricketh like a sword; but a wise man's tongue is wholesome.
Proverbs 15:23
A joyful thing it is to a man, when his counsel is followed; and very pleasant is a word spoken in due season.
Proverbs 22:17-18
My son, bow down thine ear, and hearken unto the words of wisdom, apply thy mind unto my doctrine -
Jeremiah 9:2-5
Would God that I had a cottage somewhere far from folk, that I might leave my people, and go from them: for they be all adulterers and a shrinking sort.
John 7:38
He that believeth on me, as sayeth the scripture, 'Out of his belly shall flow rivers of water of life.'"
Acts 5:3
Then said Peter, "Ananias how is it that Satan hath filled thine heart, that thou shouldest lie unto the holy ghost, and keep away part of the price of the livelihood:
2 Corinthians 4:6-7
For it is God that commanded the light to shine out of darkness, which hath shined in our hearts, for to give the light of the knowledge of the glory of God in the face of Jesus Christ.
Ephesians 3:8
Unto me, the least of all saints, is this grace given; that I should preach among the gentiles the unsearchable riches of Christ,
Colossians 3:16
Let the word of Christ dwell in you plenteously in all wisdom. Teach and exhort your own selves, in psalms, and hymns, and spiritual songs which have favour with them, singing in your hearts to the Lord.
Jude 1:15
to give judgment against all men, and to rebuke all that are ungodly among them, of all their ungodly deeds, which they have ungodly committed, and of all their cruel speakings, which ungodly sinners have spoken against him."