...passage refers to lines 85-92: Or let my Lamp at midnight hour, Be seen in some high lonely T'wer, Where I may oft outwatch the Bear, With thrice great Hermes, or unsphere The spirit of Plato to unfold What Worlds, or what vast Regions hold The immortal mind that hath forsook Her mansion in...
Or let my lamp, at midnight hour, Be seen in some high lonely tower, Where I may oft out-watch the Bear... 
