Matthew 12:34
Offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
John 4:14
but whoever drinks of the water which I will give him shall never thirst; but the water which I will give him shall be in him a fountain of water springing up to eternal life.
John 7:38-39
He that believes in me, as the Scripture has said, out of him shall flow rivers of living water.
Colossians 3:16
Let the word of Christ dwell in you richly, teaching with all wisdom, and admonishing one another, with psalms, hymns, spiritual songs, singing with grace in your hearts to God,
Colossians 4:6
Let your words always be with kindness, seasoned with salt, that you may know how to answer every one.