'It is Written' in the Bible

and that they should publish and send along a proclamation throughout all their cities and throughout Jerusalem, saying, Forth to the mountain, and bring in branches of olive, and branches of oleaster, and branches of myrtle, and branches of palms, and branches of thick trees, - to make booths, as it is written.

Also, lots, did we cast, concerning the offering of wood among the priests, the Levites, and the people, to bring it unto the house of our God, by our ancestral houses, at times arranged, year by year, - to burn upon the altar of Yahweh our God, as it is written in the law.

also that, the firstborn of our sons, and of our cattle, as it is written in the law, - and the firstlings of our herds and of our flocks, we would bring in unto the house of our God, unto the priests who should be in attendance in the house of our God;