Psalms 121:4

Behold, he that keepeth Israel shall neither slumber nor sleep.
— Psalms 121:4, King James Version

In other translations

World English Bible (WEB)

Behold, he who keeps Israel Will neither slumber nor sleep.

American Standard Version (ASV)

Behold, he that keepeth Israel Will neither slumber nor sleep.

Young's Literal Translation (YLT)

Lo, He slumbereth not, nor sleepeth, He who is preserving Israel.