Summary & Analysis

Macbeth, Act 1 Scene 3 — Summary & Analysis

Setting: A heath Who's in it: First witch, Second witch, Third witch, All, Macbeth, Banquo, Ross, Angus Reading time: ~8 min

What happens

On a desolate heath, three witches hail Macbeth with three titles: Thane of Glamis (which he is), Thane of Cawdor (which he will become), and King hereafter. They promise Banquo's children will be kings, though he will not be. The witches vanish. Ross and Angus arrive to confirm Macbeth is now Thane of Cawdor—the second prophecy already fulfilled. Macbeth begins to imagine murdering Duncan to make himself king.

Why it matters

This scene plants the play's central question: Do the witches control Macbeth, or does he control himself? The witches speak only prophecies, never commands. Yet the moment Macbeth hears them, his mind turns to murder—"If chance will have me king, why, chance may crown me, / Without my stir." He's already imagining a crown he hasn't been promised yet. When Ross delivers the title of Cawdor minutes later, two of the three prophecies have come true, and Macbeth's brain seizes on this as proof that the third—kingship—is inevitable. The witches have done nothing but speak; Macbeth has done all the terrible thinking.

Banquo's response offers a sharp contrast. He too hears the prophecies. He too watches them come partly true. But he remains suspicious, warning Macbeth that the "instruments of darkness" often "win us with honest trifles, to betray us / In deepest consequence." Where Macbeth sees fate, Banquo sees temptation. This difference will drive the rest of the play. The scene also establishes the witches as ambiguous figures—they could be real supernatural beings or projections of Macbeth's own will. Both Banquo and Macbeth see them, yet neither can quite believe they exist. Their language is riddling and equivocal, preparing the audience for the play's obsession with words that can mean two things at once.

Key quotes from this scene

That trusted home Might yet enkindle you unto the crown, Besides the thane of Cawdor. But ’tis strange: And oftentimes, to win us to our harm, The instruments of darkness tell us truths, Win us with honest trifles, to betray’s In deepest consequence. Cousins, a word, I pray you.

That trust in the future Might ignite your ambition for the crown, Along with the title of thane of Cawdor. But it’s strange: And often, to bring us to our own harm, The forces of darkness tell us truths, Entice us with small honest things, only to betray us In the most important ways. Cousins, a word, please.

Banquo · Act 1, Scene 3

Banquo, having heard the witches promise him kingship through his children, warns Macbeth that such prophecies may be designed to trap them rather than elevate them. Banquo sees the danger that Macbeth cannot — that the witches use truth as bait and trap ambition with its own desires. His caution makes him the play's moral voice and explains why he must be murdered to silence it.

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