All this dark globe the Fiend found as he passed; And long he wandered, till at last a gleam Of dawning light turned thitherward in haste His travelled steps. Far distant he descries, Ascending by degrees magnificent Up to the wall of Heaven, a structure high; At top whereof, but far more rich, appeared The work as of a kingly palace-gate, With frontispiece of diamond and gold Embellished; thick with sparkling orient gems The portal shone, inimitable on Earth By model, or by shading pencil drawn. The stairs were such as whereon Jacob saw Angels ascending and descending, bands Of guardians bright, when he from Esau fled To Padan-Aram, in the field of Luz Dreaming by night under the open sky, And waking cried, “This is the gate of Heaven.” Each stair mysteriously was meant, nor stood There always, but drawn up to Heaven sometimes Viewless; and underneath a bright sea flowed Of jasper, or of liquid pearl, whereon Who after came from Earth sailing arrived, Wafted by Angels, or flew o’er the lake,