I Felt a Funeral in My Brain

I felt a funeral in my brain And mourners, to and fro Kept treading, treading, till it seemed That sense was breaking through And when they all were seated A service like a drum Kept beating, beating, till I thought My mind was going numb And then I heard them lift a box And creak across my soul With those same boots of lead, again Then space began to toll As all the heavens were a bell And Being but an ear And I and silence some strange race Wrecked, solitary, here And then a plank in Reason broke And I fell down and down And hit a world with every plunge And finished knowing, then