or why Upon this blasted heath you stop our way With such prophetic greeting? Speak, I charge you.’  – Shows he is strong in mind and not scared by the unknown.

‘Come what come may Time and the hour runs through the roughest day.’  – Shows he is not bothered wether he becomes king or not and is leaving it in fates hands.
‘The Prince of Cumberland! that is a step On which I must fall down.’  – Shows he is ambitious about becoming king and really wants it.
‘Who should against his murderer shut the door, not bear the knife myself.’  – He is ambiguous and does not really know if he should kill the king who he believes is a good man.
‘No, this my hand will rather the multitudinous seas in incarnadine, making the green one red.’   – He is feeling so guilty that he thinks even if he washed his hands in the ocean then the ocean will turn red from blood.