Ivu, the son of Rav, said, "Rav said to Ivu, my son, 'Exert yourself in the matter of the teaching, and if you do not succeed, the way of the world is to lower oneself and sell oneself.'" (Kiddushin 13a)
Seder_HaDorot,_Tanaim_and_Amoraim.387:1
Ivu, the son of Rav, said, "Rav said to Ivu, my son, 'Exert yourself in the matter of the teaching, and if you do not succeed, the way of the world is to lower oneself and sell oneself.'" (Kiddushin 13a)
Seder_HaDorot,_Tanaim_and_Amoraim.387:1