Deuteronomy 16:12-15

12You will remember that you were a slave in Egypt, and you are to take care and do these statutes.

13“You are to keep the Feast of Sukkot for seven days, after gathering in the produce from your threshing floor and winepress.”

14So you will rejoice in your feast—you, your son and daughter, slave and maid, Levite and outsider, orphan and widow within your gates.

15Seven days you will feast to Adonai your God in the place He chooses, because Adonai your God will bless you in all your produce and in all the work of your hand, and you will be completely filled with joy.