Referenced in our Library 8 places Mishnah מִשְׁנָהPirkei Avot 2Eduyot 8Talmud Bavli תַּלְמוּד בַּבְלִיChagigah 14bKetubot 26bKetubot 27aRosh Hashanah 17bTaanit 13bAkeidat Yitzchak עֲקֵדַת יִצְחָקAkeidat Yitzchak 61