Psalm 34:13
Keep thy tongue from evil, and thy lips, that they speak no guile.
1 Peter 2:22
which did no sin, neither was there guile found in his mouth:
James 1:26
If any man among you seem devout, and refrain not his tongue: but deceive his own heart, this man's devotion is in vain.
James 3:2
For in many things we sin all. If a man sin not in word, the same is a perfect man and able to tame all the body.
Psalm 141:3
Set a watch, O LORD, before my mouth, and keep the door of my lips.
Psalm 39:1
{To the Chanter, for praising, a Psalm of David} I said, "I will take heed to my ways, that I offend not in my tongue. I will keep my mouth as it were with a bridle, while the ungodly is in my sight."
Psalm 55:11
Wickedness is therein; deceit and guile go not out of her streets.
1 Peter 2:1
Wherefore, lay aside all maliciousness, and all guile, and dissimulation, and envy, and all backbiting:
Proverbs 12:7
Or ever thou canst turn thee about, the ungodly shall be overthrown; but the house of the righteous shall stand.
Proverbs 12:19
A true mouth is ever constant; but a dissembling tongue is soon changed.
Proverbs 12:22
The LORD abhoreth deceitful lips; but they that labour for truth please him.
Proverbs 13:3
He that keepeth his mouth, keepeth his life; but whoso speaketh unadvised, findeth harm.
Proverbs 18:21
Death and life stand in the power of the tongue; he that loveth it, shall enjoy the fruit thereof.
Proverbs 19:9
A false witness shall not remain unpunished; and he that speaketh lies shall perish.
Proverbs 21:23
Whoso keepeth his mouth and his tongue; the same keepeth his soul from troubles.
Isaiah 63:8
For he said, "These no doubt will be my people, and no shrinking children," and so he was their Saviour.
Matthew 12:35-37
A good man out of the good treasure of his heart, bringeth forth good things. And an evil man out of his evil treasure, bringeth forth evil things.
Colossians 3:9
Lie not one to another, that the old man with his works be put off,
James 1:19
Wherefore, dear brethren, let every man be swift to hear, slow to speak, and slow to wrath.
James 3:5-10
even so the tongue is little member and boasteth great things. Behold how great a thing a little fire kindleth,
Revelation 14:4-5
These are they, which were not defiled with women, for they are virgins. These follow the lamb whithersoever he goeth. These were redeemed from men being the first fruits unto God and to the lamb,