43+ Macbeth Witches Quotes Act 1 Scene 3. / second witch / killing swine. They speak, at first, to macbeth alone. Third witch sister, where thou? Get an answer for 'why, in act 1, scene 3, does macbeth trust the witches instead of banquo?' and find homework help for other macbeth questions at enotes. Throughout act 1, scene 3, macbeth meets the three witches and . It is clear that the witches' words have stirred some ambition in macbeth. · nothing is but what is not macbeth. · decks in macbeth class (10):. First witch banquo and macbeth, all hail! In act 1, scene 3, macbeth and banquo initially encounter the weird sisters.