 Rav Joseph deduced from this that a scholar who has forgotten his learning through no fault of his own (through old age, sickness, or trouble, but not through willful neglect) is still due respect (by analogy to the broken pieces of the tablets that the Israelites nonetheless treated with sanctity).Resh Lakish deduced from the interjection of the apparently parenthetical words, "which you broke," in that God was thereby saying to Moses that Moses did well to break them.The Pirke De-Rabbi Eliezer explained how the Levites came to minister before God, as directed in The Pirke De-Rabbi Eliezer taught that Jacob wished to ford the Jabbok River and was detained there by an angel, who asked Jacob whether Jacob had not told God (in ), "Of all that you shall give me I will surely give a tenth to You."