 ,” to teach that all these words — the words of the written Torah and the words of the Oral Torah — were given by God so that the one should open the chambers of one’s heart and allow into it the words of both the House of Shammai and the House of Hillel, the words of those who declare unclean and the words of those who declare clean.Thus even if some words of Torah may appear contradictory, one should still learn Torah to try to understand God’s will.The school of Rabbi Yannai interpreted the place name Di-zahab () in to refer to one of the Israelites' sins that Moses recounted in the opening of his address.