ליטעראַטור פֿון בית שני אויף בראשית 25:33

[17] For he shows us Esau, who is named after his folly, as elder in point of age, but it is to the younger brother named from his discipline and practice of things excellent, even Jacob, that he awards the prize of precedence. Yet Jacob will not judge himself worthy to accept this prize until, as in some contest of the arena, his adversary has surrendered in exhaustion and yielded up the victor’s crown to him who has waged war without parley or quarter against the passions. For Esau ‘sold,’ we read, the ‘birthright to Jacob’ (Gen. 25:33),