Deuteronomy 32:30 in the King James Version
How should one chase a thousand, and two put ten thousand to flight, except their Rock had sold them, and the LORD had shut them up?
Context
29 Oh that they were wise, that they understood this, that they would consider their latter end!
30 How could one chase a thousand, and two put ten thousand to flight, unless their Rock had sold them, and the LORD had delivered them up?
31 For their rock is not as our Rock, even our enemies themselves concede.