Proverbs 15:26
"The thoughts of the wicked are an abomination to the LORD: but the words of the pure are pleasant words."
Cross References (ranked by relevance)
A man hath joy by the answer of his mouth: and a word spoken in due season, how good is it!
O Jerusalem, wash thine heart from wickedness, that thou mayest be saved. How long shall thy vain thoughts lodge within thee?
Let the words of my mouth, and the meditation of my heart, be acceptable in thy sight, O LORD, my strength, and my redeemer.
My heart is inditing a good matter: I speak of the things which I have made touching the king: my tongue is the pen of a ready writer.
The thought of foolishness is sin: and the scorner is an abomination to men.
For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies: