Explanation: The themes that match the excerpts are detailed above.
Duncan cannot tell what the mind thinks through the fatial expressions. He poses his trust in someone who maybe not so trustworthy. Malcolm speaks about kingship, the qualities that a king must have and he says he possesses none. Macbeth, in this speech says he is only guided by vaulting ambition. Even though he doesn't say it he is drawn by the prophecies that the witches made.
