Macbeth an Bamquo meet with the witches. Each of the three witches give them a prophecy, two of which Macbeth doesn't know what they are. He is told by both the witches and then the messengers that he is the new thane of Cawdor.
"Why do you dress me in borrowed robes?"
During a party Lady Macbeth tries to persuade Macbeth to kill King Duncan for money and power. Macbeth agrees to this and arranges to kill the King that night in his devilish plot with his wife.
"Yet do I fear thy nature. It is too full o'th' milk of human kindness."