Psalm 139:4
For lo, there is not a word in my tongue, but thou, O LORD, knowest it altogether.
Job 8:2
"How long wilt thou talk of such things? How long shall thy mouth speak so proud words?
Psalm 50:19-21
Thou lettest thy mouth speak wickedness, and thy tongue painteth deceit.
Job 42:3
For who can keep his own counsel so secret, but it shall be known? Therefore have I spoken unwisely, seeing these things are so high, and pass mine understanding.
Job 42:6-8
Wherefore I give mine own self the blame, and take repentance in the dust and ashes."
Psalm 19:14
Let the words of my mouth and the meditation of my heart be acceptable in thy sight, O LORD; my strength and my redeemer.
Jeremiah 29:23
Because they sinned shamefully in Israel. For they have not only defiled their neighbours' wives, but also preached lying words in my name, which I have not commanded them. This I testify, and assure, sayeth the LORD.
Zephaniah 1:12
At the same time will I seek through Jerusalem with lanterns, and visit them that continue in their dregs, and say in their hearts, "Tush, the LORD will do neither good nor evil."
Malachi 3:13-16
Ye speak hard words against me, sayeth the LORD. And yet ye say, 'What have we spoken against thee?'
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.
Hebrews 4:12-13
for the word of God is quick, and mighty in operation, and sharper than any two edged sword: and entereth through, even unto the dividing asunder of the soul and the spirit and of the joints, and the marrow: and judgeth the thoughts and the intents of the heart.
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 3:2-10
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.
Job 38:2
"What is he that hideth his mind with foolish words?