To be thus is nothing, / But to be safely thus.
Act III, Scene 1 · Macbeth
Context
After dismissing his guests, Macbeth reflects alone on his new position as king, realizing that merely holding the crown is worthless unless he can hold it securely.
Analysis
The parallel structure of 'To be thus…But to be safely thus' creates a syntactic pause that mirrors Macbeth's mental stopping and restarting—he reaches the throne, then immediately realizes the goal has shifted. The repetition of 'thus' (an imprecise demonstrative) shows he can barely name what he has; it remains abstract and unstable. This syntax enacts the emptiness of achieved ambition: the crown becomes meaningful only as the object of a new, endless anxiety.
Essay Tip
Use this to argue that Shakespeare shows ambition as inherently unsatisfiable—Macbeth's syntax here reveals that each goal achieved simply generates a new gap, trapping him in a cycle of fear rather than fulfillment.