Psalm 139:4
For there is not a word on my tongue, but, behold, Yahweh, you know it altogether.
Job 8:2
"How long will you speak these things? Shall the words of your mouth be a mighty wind?
Psalm 50:19-21
"You give your mouth to evil. Your tongue frames deceit.
Job 42:3
You asked, 'Who is this who hides counsel without knowledge?' therefore I have uttered that which I did not understand, things too wonderful for me, which I didn't know.
Job 42:6-8
Therefore I abhor myself, and repent in dust and ashes."
Psalm 19:14
Let the words of my mouth and the meditation of my heart be acceptable in your sight, Yahweh, my rock, and my redeemer. For the Chief Musician. A Psalm by David.
Jeremiah 29:23
because they have worked folly in Israel, and have committed adultery with their neighbors' wives, and have spoken words in my name falsely, which I didn't command them; and I am he who knows, and am witness, says Yahweh.
Zephaniah 1:12
It will happen at that time, that I will search Jerusalem with lamps, and I will punish the men who are settled on their dregs, who say in their heart, "Yahweh will not do good, neither will he do evil."
Malachi 3:13-16
"Your words have been stout against me," says Yahweh. "Yet you say, 'What have we spoken against you?'
Matthew 12:35-37
The good man out of his good treasure brings out good things, and the evil man out of his evil treasure brings out evil things.
Hebrews 4:12-13
For the word of God is living, and active, and sharper than any two-edged sword, and piercing even to the dividing of soul and spirit, of both joints and marrow, and is able to discern the thoughts and intentions of the heart.
James 1:26
If anyone among you thinks himself to be religious while he doesn't bridle his tongue, but deceives his heart, this man's religion is worthless.
James 3:2-10
For in many things we all stumble. If anyone doesn't stumble in word, the same is a perfect man, able to bridle the whole body also.
Job 38:2
"Who is this who darkens counsel by words without knowledge?