[46] for Esau had been holding out an intolerable threat over Jacob, saying, "The days of mourning for my Father are at hand, that then I may slay my brother Jacob;" [31] for he is wishing only that that species in the nature of things which is void of passions, namely, Isaac (to whom the oracle had been given, that he should not descend into Egypt), [32] may be the victim of an irrational affection, in order I suppose that he may be wounded by the stings of pleasure or pain, or of any other passion, showing that the man who is not wholly perfect [33] [34] and who makes laborious improvements, will receive not merely a wound, but utter destruction. However, the good God will neither allow that invulnerable species among created things to be subdued by passion, nor will he surrender the practise of virtue to bloody and raging destruction.