Genesis 2:2-3

2And aon the seventh day God finished his work that he had done, and he rested on the seventh day from all his work that he had done. 3So God blessed the seventh day and made it holy, because on it God rested from all his work that he had done in creation.

Genesis 8:10

10He waited another seven days, and again he sent forth the dove out of the ark.
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