Psalms 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.   (Verses like Psalms 19:14)

Psalms 37:30-31 - The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.The law of his God is in his heart; none of his steps shall slide.   (Verses like Psalms 37:30)

Psalms 45:1 - (To the chief Musician upon Shoshannim, for the sons of Korah, Maschil, A Song of loves.) 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.   (Verses like Psalms 45:1)

Proverbs 6:16-19 - These six things doth the LORD hate: yea, seven are an abomination unto him:A proud look, a lying tongue, and hands that shed innocent blood,An heart that deviseth wicked imaginations, feet that be swift in running to mischief,A false witness that speaketh lies, and he that soweth discord among brethren.   (Verses like Proverbs 6:16)

Proverbs 15:23 - A man hath joy by the answer of his mouth: and a word spoken in due season, how good is it!   (Verses like Proverbs 15:23)

Proverbs 24:9 - The thought of foolishness is sin: and the scorner is an abomination to men.   (Verses like Proverbs 24:9)

Jeremiah 4:14 - O Jerusalem, wash thine heart from wickedness, that thou mayest be saved. How long shall thy vain thoughts lodge within thee?   (Verses like Jeremiah 4:14)

Matthew 12:34-37 - O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.For by thy words thou shalt be justified, and by thy words thou shalt be condemned.   (Verses like Matthew 12:34)

Matthew 15:19 - For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:   (Verses like Matthew 15:19)