* The Witches' Prophecy: The witches tell Macbeth he will be Thane of Cawdor and King.
* Lady Macbeth's Response: Lady Macbeth immediately starts thinking about how to make the prophecy come true. She is excited by the possibility of power and sees it as a chance for them to achieve greatness.
Here's a quote that highlights this:
> Lady Macbeth: "Glamis thou art, and Cawdor, and shalt be / What thou art promised: yet do I fear thy nature; / It is too full o' the milk of human kindness / To catch the nearest way: thou wouldst be great; / Art not without ambition, but without / The illness should attend it." (Act 1, Scene 5)
Lady Macbeth's words are an indirect echo of the witches' prophecy. She uses the same words as the witches ("Glamis thou art, and Cawdor") to affirm the prophecy, but then she immediately turns her attention to the ambition and power it implies. This shows how she is already thinking about how to manipulate events to make the prophecy come true.
It's important to note that while Lady Macbeth echoes the witches' theme, she doesn't explicitly repeat their words. This underscores the theme of ambition and its seductive nature. It's not the witches' prophecy itself that compels Macbeth and Lady Macbeth, but their own desires for power.