Part 1 of Essay
Macbeth is presented as a mature man of definitely established character, successful in certain fields of activity and enjoying an enviable reputation. We must not conclude, there, that all his volitions and actions are predictable; Macbeth's character, like any other man's at a given moment, is what is being made out of ....

Part 2 of Essay
.... expenditure of prodigious physical energy and the euphoria which follows. He also rejoices no doubt in the success which crowns his efforts in battle - and so on. He may even conceived of the proper motive which should energize back of his great deed: The service and the loyalty I owe, In doing it, pays itself. But while he destroys the king's enemies, such motives work but dimly at best and are obscured in his consciousness by more vigorous urges. In the main, as we have said, his nature violently demand ....