Exodus 12:16

16On the first day you shall hold a aholy assembly, and on the seventh day a holy assembly. No work shall be done on those days. But what everyone needs to eat, that alone may be prepared by you.

Exodus 13:6

6 bSeven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord.

Leviticus 23:8

8But you shall present a food offering to the Lord for seven days. On the seventh day is a holy convocation; you shall not do any ordinary work.”

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