(5731) "Since he (Isaac) was confined he was like a dead person, the evil inclination having ceased from him (Rashi Gen. 23:13 Tanchuma Toledoth 7). Explanation of the story in Talmud ( Moed Katan 281) that Rav Yosef on his attaining the age of sixty, made a festival day for the Rabbis [[of the Academy] saying. "I have just passed beyond [[the limit of] kareth" (Divine Excommunication)