Exodus 12:16

12:16 On the first day there will be a holy convocation, and on the seventh day there will be a holy convocation for you. You must do no work of any kind on them, only what every person will eat – that alone may be prepared for you.

Exodus 13:15

13:15 When Pharaoh stubbornly refused to release us, the Lord killed all the firstborn in the land of Egypt, from the firstborn of people to the firstborn of animals. That is why I am sacrificing to the Lord the first male offspring of every womb, but all my firstborn sons I redeem.’

Exodus 37:19

37:19 Three cups shaped like almond flowers with buds and blossoms were on the first branch, and three cups shaped like almond flowers with buds and blossoms were on the next branch, and the same for the six branches that were extending from the lampstand.