University of Virginia Library

As when a Traveller hath from open day
With torches pass'd into some Vault of Earth,
The Grotto of Antiparos, or the Den
Of Yordas among Craven's mountain tracts;
He looks and sees the cavern spread and grow,
Widening itself on all sides, sees, or thinks
He sees, erelong, the roof above his head,
Which instantly unsettles and recedes
Substance and shadow, light and darkness, all
Commingled, making up a Canopy
Of Shapes and Forms and Tendencies to Shape
That shift and vanish, change and interchange
Like Spectres, ferment quiet and sublime;
Which, after a short space, works less and less,
Till every effort, every motion gone,
The scene before him lies in perfect view,
Exposed and lifeless, as a written book.
But let him pause awhile, and look again
And a new quickening shall succeed, at first

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Beginning timidly, then creeping fast
Through all which he beholds; the senseless mass,
In its projections, wrinkles, cavities,
Through all its surface, with all colours streaming,
Like a magician's airy pageant, parts
Unites, embodying everywhere some pressure
Or image, recognis'd or new, some type
Or picture of the world; forests and lakes,
Ships, Rivers, Towers, the Warrior clad in Mail,
The prancing Steed, the Pilgrim with his Staff,
The mitred Bishop and the throned King,
A Spectacle to which there is no end.