Deuteronomy 16:15

16:15 Seven days shall you keep a feast to Yahweh your God in the place which Yahweh shall choose; because Yahweh your God will bless you in all your increase, and in all the work of your hands, and you shall be altogether joyful.
-World English Bible

Other Translation

16:15 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.
-King James Version