Psalm 71:15, 24
My mouth will declare Your righteousness and Your salvation all day long, though I cannot know their full measure. . . .

Deuteronomy 6:7-9
And you shall teach them diligently to your children and speak of them when you sit in your house and when you walk along the road, when you lie down and when you get up. . . .

Proverbs 10:21, 31
The lips of the righteous feed many, but fools die for lack of judgment. . . .

Proverbs 15:7
The lips of the wise spread knowledge, but not so the hearts of fools.

Proverbs 25:11-13
A word fitly spoken is like apples of gold in settings of silver. . . .

Proverbs 27:9
Oil and incense bring joy to the heart, and the sweetness of a friend is counsel to the soul.

Matthew 12:35
The good man brings good things out of his good store of treasure, and the evil man brings evil things out of his evil store of treasure.

Ephesians 4:29
Let no unwholesome talk come out of your mouths, but only what is helpful for building up the one in need and bringing grace to those who listen.

Colossians 4:6
Let your speech always be gracious, seasoned with salt, so that you may know how to answer everyone.