Deuteronomy 16:15
For seven days you are to celebrate in the presence of the LORD your God at the place where the LORD will choose; for the LORD your God will bless you in all your harvest and in everything you do, and your joy will be complete.
Leviticus 23:36-42
For seven days, bring offerings made by fire to the LORD. The eighth day is also to be a sacred assembly for you. Bring offerings made by fire to the LORD. It's a sacred assembly. You are not to do any servile work.
Numbers 29:12-38
"You are to hold a sacred assembly on the fifteenth day of the same seventh month. No servile work is to be done. You are to celebrate a festival to the LORD for seven days by
Deuteronomy 7:13
He'll love you and increase your numbers. He'll bless the fruit of your womb, the fruit of your land (the grain, new wine, and oil), the offspring of your herds, and the lambs of your flock, in the land that the LORD promised your ancestors he would give you.
Deuteronomy 16:10
Then observe the Festival of Weeks in the presence of the LORD your God by giving your tribute and the freewill offering of your hands in proportion to the manner in which the LORD your God blessed you.
Deuteronomy 28:8-12
"The LORD will send blessings for you with regard to your barns and everything you undertake. Indeed, he will bless you in the land that the LORD your God is about to give you.
Deuteronomy 30:16
That's why I'm commanding you today to love the LORD your God by walking in his ways and by observing his commands, statutes, and ordinances, so that you may live long, increase, and so that the LORD your God may bless you in the land that you are about to enter to possess.