Psalm 78:9 in the King James Version
The children of Ephraim, being armed, and carrying bows, turned back in the day of battle.
Context
8 and might not be as their fathers— a stubborn and rebellious generation, a generation that didn’t make their hearts loyal, whose spirit was not steadfast with God.
9 The children of Ephraim, being armed and carrying bows, turned back in the day of battle.
10 They didn’t keep God’s covenant, and refused to walk in his law.