Something is rotten in the state of Denmark.
Act I, Scene 4
Context
After Hamlet follows the Ghost offstage, Marcellus and Horatio decide to pursue him. Marcellus speaks this line as they prepare to follow.
Analysis
'Rotten' is a visceral, physical word that evokes disease and decay in organic matter—flesh, fruit, corpses. By applying it to the 'state,' Marcellus makes political corruption feel contagious and bodily, as though Denmark itself is a decomposing organism. The line lands with finality after the Ghost's appearance, offering a simple diagnosis for all the scene's strangeness. Its bluntness makes it feel like folk wisdom, yet it also encapsulates the play's central metaphor: moral and political corruption as a spreading rot.
Essay Tip
Support a thesis that Shakespeare uses disease imagery to collapse distinctions between individual and state—Marcellus's line suggests Denmark's corruption isn't just Claudius's personal crime but a systemic sickness, making revenge a matter of public health as much as private justice.