Proverbs 16:23
The heart of the wise teaches his mouth. It adds learning to his lips.
Proverbs 15:28
The heart of the righteous studies how to answer. The mouth of the wicked pours out evil things.
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 22:17-18
Incline your ear and listen to the words of the wise. Apply your heart and mind to my knowledge.
Matthew 12:34-35
You offspring of vipers. How can you who are evil speak good things? Out of the abundance of the heart the mouth speaks.
Colossians 3:16
Let the word of Christ richly dwell within you with all wisdom. Teach and admonish one another with psalms, praises to God, and spiritual songs. Sing with gratitude in your hearts to God.