"For seven days no leaven shall be seen with you in all your territory, and none of the flesh which you sacrifice on the evening of the first day shall remain overnight until morning." (Deuteronomy 16:4)
"Three times in a year all your males shall appear before the LORD your God in the place which He chooses, at the Feast of Unleavened Bread and at the Feast of Weeks and at the Feast of Booths, and they shall not appear before the LORD empty-handed." (Deuteronomy 16:16)
"and you shall rejoice in your feast, you and your son and your daughter and your male and female servants and the Levite and the stranger and the orphan and the widow who are in your towns." (Deuteronomy 16:14)
"Three times in a year all your males shall appear before the LORD your God in the place which He chooses, at the Feast of Unleavened Bread and at the Feast of Weeks and at the Feast of Booths, and they shall not appear before the LORD empty-handed." (Deuteronomy 16:16)
"Then Moses commanded them, saying, 'At the end of every seven years, at the time of the year of remission of debts, at the Feast of Booths," (Deuteronomy 31:10-12)
"you shall devote to the LORD the first offspring of every womb, and the first offspring of every beast that you own; the males belong to the LORD." (Exodus 13:2, 13:12)