There are of course a number of soliloquies that could be selected as being the soliloquy that best captures the themes of this play, but arguably, Macbeth's soliloquy in Act III scene 1 after he has bidded farewell to Banquo and Fleance is the soliloquy that captures best the overriding ambition of Macbeth, which is of course one of the central themes of the play. He recognises in this soliloquy that Banquo still represents a major threat to him, not just because he is the only witness to the prophecies that the witches gave...

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