Matthew 12:34
"You generation of vipers! How can you speak good, when you are evil? For the mouth speaks what the heart is full of. "When the time of fruit drew near, he sent his slaves to the vine-dressers seized to get his fruit.
John 4:14
but whoever once drinks of the water that I will give him, shall never thirst any more, but the water that I will give him shall become a living spring of water within him, welling up into eternal life."
John 7:38-39
"If any man thirst let him come to me and drink. From the heart of him who believes in me will flow, as the Scripture said, rivers of living water."
Colossians 3:16
Let the word of Christ have its home in you richly, in all wisdom. Teach and admonish one another in psalms and hymns and spiritual songs, ever singing with grace in your hearts unto God.
Colossians 4:6
Let your speech be always gracious, with a savor of salt, and learn how to give every man a fitting answer.