Critics have also noted the influence of Shakespeare in two passages . In the early movement , the savage race " That hoard , and sleep , and feed , and know not me " ( 5 ) echo Hamlet 's soliloquy : " What is a man , / If his chief good and market of his time / Be but to sleep and feed ? A beast , no more . " Tennyson 's " How dull it is to pause , to make an end , / To rust unburnish ’ d , not to shine in use ! " ( 22 – 23 ) recall Shakespeare 's Ulysses in Troilus and Cressida ( c . 1602 ) :