פירוש על יחזקאל 45:18

So says the Lord God: In the first month, on the first of the month, you shall take a young bull [and] without blemish This is the bull of investiture mentioned at the beginning of this section (43:18 27), and he teaches [us] here that the investiture should be on the first of Nissan.

and you shall purify [as translated,] and you shall purify.