"He hath been in unusual pleasure, and / Sent forth great largess to your offices. / This diamond he greets your wife withal, / By the name of most kind hostess, and shut up" (2.1.15-19).
MacBeth Act 2.1-1 Macbeth meets Banquo and Fleance late at night, and is asked what he is doing wandering the castle so late at night. Banquo mentions how good of a mood Duncan is in.
"Is this a dagger which I see before me / The handle toward my hand? Come, let me clutch thee. / I have thee not, and yet I see thee still" (2.1.44-46).
MacBeth Act 2.1-2 Macbeth, after talking to Banquo and Fleance about how late it is, debates with himself as to go on with his plan. He decides to kill Duncan, and leaves at the sound of a distant bell.
"Alack, I am afraid they have awakened, / And 'tis not done. Th' attempt and not the deed / Confounds us. Hark!—I laid their daggers ready; / He could not miss 'em. Had he not resembled / My father as he slept, I had done 't" (2.2.13-18).
MacBeth Act 2.2-1 Lady Macbeth talks to herself about her plan, and tells how she could not go through with it. As she looked over King Duncan sleeping, she could not kill him because he reminded her too much of her father.
"But wherefore could not I pronounce "Amen"? / I had most need of blessing, and "Amen" / Stuck in my throat" (2.2.42-44).
MacBeth Act 2.2-2 Macbeth feels as though he has sinned, and cannot say "Amen" under God, since God knows what he did. He feels guilty for killing Duncan.
"Who can be wise, amazed, temp'rate, and furious, / Loyal, and neutral, in a moment? No man" (2.3.127-128).
MacBeth Act 2.3 The residents of the castle find Duncan dead in his bed, with his guards outside his door with bloody knives. Macbeth claims that he killed the guards because he saw them kill Duncan and was enraged.
MacBeth Act 2.4 Ross talks with and Old Man and Macduff. Macduff doesn't believe that Macbeth will be a good king. Neither of them know who actually killed Duncan. Macduff finishes by saying he won't be going to watch Macbeth be crowned king.
"'Gainst nature still! / Thriftless ambition, that will ravin up / Thine own lives' means. Then 'tis most like / The sovereignty will fall upon Macbeth" (2.4.40-43).