Hamlet. Act Four. Act Four Scene One. Gertrude informs Claudius of Polonius’ death. Claudius maintains that ‘this mad young man’ is a danger to everyone and must be shipped off to England next morning. He sends R and G to locate Hamlet and to recover Polonius’ body.
And spur my dull revenge!
Personification is used here to create an image of Hamlet being on trial and one event after another coming in to testify against him.
‘And spur my dull revenge!’
Here, Hamlet goes on to compare his revenge to a dull, spiritless horse. No matter how much it is spurred, it will not get started. This recalls the Ghost’s: ‘And duller should’st thou be. . .’ Therefore, it appears clear that Hamlet imagines the Ghost as his judge.