Proverbs 15:2 in the World English Bible
The tongue of the wise commends knowledge, but the mouths of fools gush out folly.
Context
1 A soft answer turneth away wrath: but grievous words stir up anger.
2 The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
3 The eyes of the LORD are in every place, beholding the evil and the good.