108 Torah Book & Portion, Book of Deuteronomy, Vayelech (Deuteronomy 31:1-31:30), Source Book Keys, TEMIMAH-DEUT DEUTERONOMY | 31:19 teach — DEUT1656 It was taught: R. Akiva says: Whence is ... DEUT1656 It was taught: R. Akiva says: Whence is it derived that one must repeat a lesson to his disciples until they are fully conversant with it? From: "place it in their mouths" (Eruvin 54b) Share Print Source KeyTEMIMAH-DEUTVerse31:19Keyword(s)teachSource Page(s)365 Switch article DEUTERONOMY | 31:19 song — DEUT1655 The central Book of Judaism, the Torah i... Previous Article DEUTERONOMY | 31:19 Torah — DEUT1657 Each Jew shall write his own sefer Torah... Next Article