Psalm 139:4
For there is not a word in my tongue, but, lo, O Jehovah, You know it altogether.
Job 8:2
How long will you speak these things, since the words of your mouth are like a strong wind?
Psalm 50:19-21
You give your mouth to evil, and your tongue frames deceit.
Job 42:3
Who is he who hides counsel without knowledge? Therefore I have spoken what I did not understand; things too wonderful for me; yea, I did not know.
Job 42:6-8
Therefore I despise myself, and repent in dust and ashes.
Psalm 19:14
Let the words of my mouth and the meditation of my heart be pleasing in Your sight, O Jehovah, my Rock and my Redeemer.
Jeremiah 29:23
because they have committed evil in Israel, and have committed adultery with their neighbors' wives, and have spoken lying words in My name, which I have not commanded them; for I am He who knows and a witness, says Jehovah.
Zephaniah 1:12
And it shall be in that time I will search Jerusalem with lamps, and punish the men who are settled on their lees; who say in their heart, Jehovah will not do good, nor will He do evil.
Malachi 3:13-16
Your words have been strong against Me, says Jehovah. Yet you say, What have we spoken against You?
Matthew 12:35-37
A good man out of the good treasure of the heart brings out good things; and an evil man out of the evil treasure brings out evil things.
Hebrews 4:12-13
For the Word of God is living and powerful and sharper than any two-edged sword, piercing even to the dividing apart of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.
James 1:26
If anyone thinks to be religious among you, yet does not bridle his tongue, but deceives his own heart, this one's religion is vain.
James 3:2-10
For in many things we all offend. If anyone does not offend in word, the same is a full-grown man, able also to bridle the whole body.
Job 38:2
Who is this that darkens counsel by words without knowledge?