32+ Macbeth Ambition Quotes Act 2. In the same act, ross, macduff's cousin, sees right through macbeth's unbridled ambition and predicts where it will lead: 19.01.2019 · macbeth does murder sleep act 2 scene 1 this quote reflects the fact that macbeth murdered duncan in his sleep. Enter a porter porter here's a knocking indeed! As it's macbeth that kills duncan, is this against nature too, or his macbeth's ambition all too natural? Art not without ambition, but without the illness should attend it. you want to be powerful, and you don't lack ambition, but you don't have the mean streak that these things call for. You wait on nature's mischief. Banquo is also struggling against ambition. And oftentimes, to win us to our harm, the instruments of darkness tell us truths, win us with honest trifles, to betray's. Thriftless ambition, that will raven up. She appears mentally weaker than macbeth and leans on him to complete the murder.