Divine Comedy

-"THE banners of Hell's Monarch do come forth Towards us; therefore look," so spake my guide, "If thou discern him." As, when breathes a cloud Heavy and dense, or when the shades of night Fall on our hemisphere, seems view'd from far A windmill, which the blast stirs briskly round, Such was the fabric then methought I saw,

To shield me from the wind, forthwith I drew Behind my guide: no covert else was there.