Macbeth had second thoughts about murdering King Duncan as they both have good reputation between one another. Lady Macbeth got very heated at Macbeth for having these second thoughts. In the end Lady Macbeth came up with the plan on how they’re going to kill and get away with the murder of King Duncan and they are going to carry this plan out.
” To prick the sides of my intent, but onlyVaulting ambition” What Macbeth is saying here is he has good reasons not to go along with the plan of killing Duncan but there is motivation of ambition that remains in Macbeth, causing conflict and confusion to whether he should do it.
“False face must hide what the false heart doth know” Another quote by Macbeth; when he said this quote he is simply saying that he shall hide the truth of his cold heart by showing guild and sadness on the outside.