Than aught divine or holy else enjoyed
In vision beatific. By him first
Men also, and by his suggestion taught,
Ransacked the centre, and with impious hands
Rifled the bowels of their mother Earth
For treasures better hid. Soon had his crew
Opened into the hill a spacious wound,
And digged out ribs of gold. Let none admire
That riches grow in Hell; that soil may best
Deserve the precious bane. And here let those
Who boast in mortal things, and wondering tell
Of Babel, and the works of Memphian kings,
Learn how their greatest monuments of fame
And strength, and art, are easily outdone
By Spirits reprobate, and in an hour
What in an age they, with incessant toil
And hands innumerable, scarce perform.
Nigh on the plain, in many cells prepared,
That underneath had veins of liquid fire
Sluiced from the lake, a second multitude
With wondrous art founded the massy ore,
Severing each kind, and scummed the bullion-dross.
A third as soon had formed within the ground
A various mould, and from the boiling cells
By strange conveyance filled each hollow nook;
As in an organ, from one blast of wind,
To many a row of pipes the sound-board breathes.
Anon out of the earth a fabric huge
Rose like an exhalation, with the sound
Of dulcet symphonies and voices sweet--