Proverbs 11:9 in the King James Version
An hypocrite with his mouth destroyeth his neighbour: but through knowledge shall the just be delivered.
Context
8 A righteous person is delivered out of trouble, and the wicked takes his place.
9 With his mouth the godless man destroys his neighbor, but the righteous will be delivered through knowledge.
10 When it goes well with the righteous, the city rejoices. When the wicked perish, there is shouting.