throughout acts 1 and two of macbeth, a strong theme starts to develop of trust and betrayal. As the story processes the theme is most conveyed when the king tells macbeth he is a loyal and trustworthy man but macbeth betrays the king and the kings words going behind his back and killing him
The sin of my ingratitude even now Was heavy on me: thou art so far before That swiftest wing of recompense is slow To overtake thee. Would thou hadst less deserved,That the proportion both of thanks and payment
The service and the loyalty I owe,In doing it, pays itself. Your highness' part Is to receive our duties; and our duties
Is this a dagger which I see before me,The handle toward my hand? Come, let me clutch thee. I have thee not, and yet I see thee still.
I go, and it is done; the bell invites me. hear it not, duncan; for it is a knell that summons the to heaven or to hell