The service and the loyalty I owe, / In doing it, pays itself. Your Highness’ part / Is to receive our duties: and our duties / Are to your throne and state, children and servants; / Which do but what they should, by doing everything / Safe toward your love and honour.
Act I, Scene 4 · Macbeth
Context
Responding to Duncan's lavish praise, Macbeth insists that serving the king is its own reward and that his duty requires him to do everything to ensure Duncan's safety and honor.
Analysis
Macbeth's claim that loyalty 'pays itself' sounds selfless, but the phrasing is circular and oddly transactional—service becomes a closed loop that needs no external thanks. Within minutes he will privately call Malcolm a 'step' in his way, so this public performance of duty becomes deeply ironic: the vocabulary of protection ('safe toward your love and honour') is already covering desires that point in exactly the opposite direction.
Essay Tip
Support a thesis that Macbeth's public language of loyalty is not simply hypocritical but functionally useful—by performing the role of the perfect servant so fluently, he creates a facade that will give him access to Duncan, showing that betrayal depends on first mastering the language of faithfulness.