Psalms 33:17

An horse is a vain thing for safety: neither shall he deliver any by his great strength.
— Psalms 33:17, King James Version

In other translations

World English Bible (WEB)

A horse is a vain thing for safety, Neither does he deliver any by his great power.

American Standard Version (ASV)

A horse is a vain thing for safety; Neither doth he deliver any by his great power.

Young's Literal Translation (YLT)

A false thing <FI>is<Fi> the horse for safety, And by the abundance of his strength He doth not deliver.