Macbeth and Jake are led by greed to have ideas and thoughts that they should not have. Jake's greed was driven by Brett's physical beauty, once he saw her, he could not resist having her for himself. This is proven in the quote: "Brett was damned good-looking. She wore a slipover jersey sweater and a tweed shirt, and her hair was brushed back like a boy's. She started all that. She was built with curves like the hull of a racing yacht, and you missed none of that in that wool jersey." (Page 29-30) This is showing his lust for Brett, as he exaggerates her looks comparing them to other things. This is comparable to Macbeth, when the three witches tell Macbeth that he is going to be King. This causes him to be greedy and he wants to believe them. However, he is not supposed to think disloyally to the King, and in those days, plotting against the King is considered like plotting against God. For example, when Ross informs Macbeth that he is the Thane of Cawdor, and after Banquo warns Macbeth not to trust the witches, Macbeth speaks aside and contemplates that he might be King, and then realizes
Bibliography: Shakespeare, William, "Macbeth" Trenton Publishing Hemingway, Ernest, "The Sun also rises" High Styme Publishing