Deuteronomy 16:8

For six days, you shall eat unleavened bread. And on the seventh day, because it is the assembly of the Lord your God, you shall do no work

Other versions

King James Version

Six days thou shalt eat unleavened bread: and on the seventh day shall be a solemn assembly to the LORD thy God: thou shalt do no work therein.

English Standard Version

For six days you shall eat unleavened bread, and on the seventh day there shall be a solemn assembly to the LORD your God. You shall do no work on it.

New International Version

For six days eat unleavened bread and on the seventh day hold an assembly to the LORD your God and do no work.