Leviticus 23:40–42

40 On the first day you are to take the productb of majestic trees—palm fronds,c boughs of leafy trees,d and willows of the brooke—and rejoice before the Lord your God for seven days. 41 You are to celebrate it as a festival to the Lord seven days each year. This is a permanent statute for you throughout your generations; celebrate it in the seventh month. 42 You are to live in sheltersf for seven days. All the native-born of Israel must live in shelters,