But Alyosha indignantly rejected the suggestion that Mitya could have killed for the sake of the money, although he readily conceded that the three thousand rubles had become an obsession with him, that he regarded the sum as rightfully his, as part of his inheritance from his mother that his father had misappropriated, and that, while not in the least avaricious, Mitya could not hear the three thousand mentioned without flying into a completely disproportionate rage.