By the altar, which is made of massive slabs of stone untouched by tools since hewn from the quarry and set up in this vast edifice, a barefooted priest wearing a linen tunic waits for the Levite to hand over the turtledoves. He takes the first one, carries it to a comer of the altar, and with a single blow knocks the head from its body. [...] Joseph has nothing more to accomplish here, he must withdraw, collect his wife and child, and return home. Mary is pure once more, not in the strict sense of the word, because purity is something to which most human beings, and above all women, can scarcely hope to aspire.