Proverbs 16:23
The heart of the wise instructs his mouth, and adds learning to his lips.
Proverbs 15:28
The heart of the righteous weighs answers, but the mouth of the wicked gushes out evil.
Psalm 37:30-31
The mouth of the righteous talks of wisdom. His tongue speaks justice.
Psalm 45:1
My heart overflows with a noble theme. I recite my verses for the king. My tongue is like the pen of a skillful writer.
Proverbs 22:17-18
Turn your ear, and listen to the words of the wise. Apply your heart to my teaching.
Matthew 12:34-35
You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
Colossians 3:16
Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, and spiritual songs, singing with grace in your heart to the Lord.