Psalm 33:17 in the World English Bible
A horse is a vain thing for safety, neither does he deliver any by his great power.
Context
16 There is no king saved by the multitude of an host: a mighty man is not delivered by much strength.
17 An horse is a vain thing for safety: neither shall he deliver any by his great strength.
18 Behold, the eye of the LORD is upon them that fear him, upon them that hope in his mercy;