The Torah tells towards the beginning of Parashat Toledot that Yitzchak loved his older son, Esav, "ki tzayid be-fiv" (literally, "for there was game in his mouth" – 25:28). According to most commentators, the phrase "his mouth" refers to the mouth of Yitzchak. Thus, for example, Targum Onkelos, Ibn Ezra and others explain that Yitzchak developed a particular affinity for Esav because Esav would bring him meat from the hunt. According to Rashi, the term tzayid refers not to actual hunting, but rather to deception. In his view, Yitzchak preferred Es