ליטעראַטור פֿון בית שני אויף בראשית 42:16

[162] Of his proneness to face both ways you may get an idea from the oaths which he is represented as taking, at one moment swearing “yea by the health of Pharaoh” (Gen. 42:16) and then on the contrary, “no, by the health of Pharaoh” (Gen. 42:15). The oath containing the negative is one that his father’s house would prescribe, being always a mortal foe to passion and wishing it dead; the other oath is one that Egypt might prescribe, for passion’s welfare is dear to it.