God showed his mercy by casting them out of the Garden and making everybody sinners
By the expressions he uses and his tone of voice he uses, the author explains this by the choice of words he uses he told them not to keep the monkeys paw becuase he knew it was cursed he used a tone of voice that seemed a little concerned becuase thay would not listen to him at first until something bad happened then they realized it was to late
Answer:One of the primary themes of I Am Legend is alienation, and it is hard to imagine someone who is more literally alienated than Robert Neville. He is an absolutely normal American man, or at least he was until the world changed around him.