Proverbs 15:26
The thoughts of the wicked are an abomination to Jehovah. The words of the pure are pleasant words.
Psalm 19:14
May the words from my mouth and the thoughts from my heart be acceptable to you, O Jehovah, my rock and my Redeemer (Purchaser).
Psalm 37:30-31
The mouth of the righteous reflects on wisdom. His tongue speaks what is fair.
Psalm 45:1
Beautiful words fill my mind and stir my heart, as I compose this song for the king. Like the pen of a skilful writer (copyist) my tongue is ready with a poem.
Proverbs 6:16-19
Jehovah hates these six things: Yes, seven are an abomination to him:
Proverbs 15:23
A man has joy by the answer of his mouth: and a word spoken at the right time, how good it is!
Proverbs 24:9
The thought of foolishness is sin. The mocker is an abomination to men.
Jeremiah 4:14
O Jerusalem, wash the evil from your heart so that you may be saved. How long will your wicked thoughts lodge within you?
Matthew 12:34-37
You offspring of vipers. How can you who are evil speak good things? Out of the abundance of the heart the mouth speaks.
Matthew 15:19
Evil thoughts come from the heart! Thoughts about murder, adultery, fornication, theft, lying, and slander come from the heart!