 Studying Macbeth. Let's look at the exchange between Ross and Lady Macduff when he's trying to get her to escape. Act 142 Ross tells Lady Macduff you know not whether it was his wisdom or his fear. Now the literation of W here he's basically telling Lady Macduff she shouldn't be angry at her husband for leaving the country. But Lady Macduff doesn't understand why her husband is left she says wisdom to leave his wife to leave his babes. Now here she's speaking in Iron Bit Pentameter showing how angry she is at him. She asked from once himself does fly he loves us not. Now this is zero here of course this is also a rhetorical question. It shows Lady Macduff is really angry she doesn't understand that Macbeth is actually quite evil and Macduff is leaving for their safety. Lady Macduff says the most diminutive of birds will fight her young ones in her nest against the owl. Now this is a metaphor basically saying even the tiniest of birds wouldn't run away they would fight for their family so she sees Macduff's decision to leave England as cowardly.