Deuteronomy 16:15

Seven days you shall celebrate [your] feast to Yahweh your God at the place Yahweh will choose, for Yahweh your God shall bless you in all of your produce and in all [of] the work of your hand, and you shall surely [be] rejoicing.

Leviticus 23:36-42

[For] seven days you must present an offering made by fire to Yahweh. On the eighth day it shall be a holy assembly for you, and you shall present an offering made by fire to Yahweh; it [is] a celebration; you must not do {any regular work}.

Numbers 29:12-38

" 'Then on the fifteenth day of the seventh month you will have a holy convocation; {you will not do any regular work}, and you will hold a religious feast for Yahweh for seven days.

Deuteronomy 7:13

And he will love you, and he will bless you, and he will multiply you, and he will bless the fruit of your womb and the fruit of your soil, your grain, your wine, and your olive oil, and [newborn] calves of your cattle, and the [newborn] lambs of your flocks in the land that he swore to your ancestors to give you.

Deuteronomy 16:10

And [then] you shall celebrate the Feast of Weeks for Yahweh your God with the measure of the freewill offering of your hand that you shall give [just] as Yahweh your God has blessed you.

Deuteronomy 28:8-12

Yahweh will command {concerning you} the blessing [to be] in your barns and {in all your endeavors}; and he will bless you in the land that Yahweh your God [is] giving to you.

Deuteronomy 30:16

what I am commanding you {today} [is] to love Yahweh your God by going in his ways and by keeping his commandments and his statutes and his regulations, and then you will live, and you will become numerous, and Yahweh your God will bless you in the {land where you are going}.

Treasury of Scripture Knowledge

Summary

Seven days shalt thou keep a solemn feast unto the LORD thy God in the place which the LORD shall choose: because the LORD thy God shall bless thee in all thine increase, and in all the works of thine hands, therefore thou shalt surely rejoice.

General references

Bible References

Seven days

Leviticus 23:36
[For] seven days you must present an offering made by fire to Yahweh. On the eighth day it shall be a holy assembly for you, and you shall present an offering made by fire to Yahweh; it [is] a celebration; you must not do {any regular work}.
Numbers 29:12
" 'Then on the fifteenth day of the seventh month you will have a holy convocation; {you will not do any regular work}, and you will hold a religious feast for Yahweh for seven days.

Because

Deuteronomy 16:10
And [then] you shall celebrate the Feast of Weeks for Yahweh your God with the measure of the freewill offering of your hand that you shall give [just] as Yahweh your God has blessed you.
Deuteronomy 7:13
And he will love you, and he will bless you, and he will multiply you, and he will bless the fruit of your womb and the fruit of your soil, your grain, your wine, and your olive oil, and [newborn] calves of your cattle, and the [newborn] lambs of your flocks in the land that he swore to your ancestors to give you.
Deuteronomy 28:8
Yahweh will command {concerning you} the blessing [to be] in your barns and {in all your endeavors}; and he will bless you in the land that Yahweh your God [is] giving to you.
Deuteronomy 30:16
what I am commanding you {today} [is] to love Yahweh your God by going in his ways and by keeping his commandments and his statutes and his regulations, and then you will live, and you will become numerous, and Yahweh your God will bless you in the {land where you are going}.

General references

Deuteronomy 16:12
And you shall remember that you were a slave in Egypt, and [so] {you shall diligently observe} these rules.
John 7:2
Now the feast of the Jews--the [feast of] Tabernacles--was near.