“There to dwell
In adamantine chains and penal fire
Who durst defy the omnipotent to arms
Nine times the space that measures day and night
Rolling in the fiery gulf
Confounded though immortal, but his doom
Reserved him to more wrath, for now the thought
Both of lost happiness and lasting pain
Torments him; round he throws his baleful eyes
That witnessed huge affliction and dismay
Mixed with obdurate pride and steadfast hate
At once as far as angels ken he views
The dismal situation waste and wild
A dungeon horrible, on all sides round
Regions of sorrow
Doleful shades, where peace and rest can never dwell
Hope never comes that comes to all
But torture without end still urges
As one great furnace flamed
Yet from those flames, no light
But rather, darkness visible”

These words are recited on a track called “Darkness Visable” on the Delta album from Mumford & Sons. Narration on this track courtesy of Gill Landry (formerly of the band Old Crow Medicine Show).

These verses are an excerpt from Paradise Lost by John Milton (1667).

Which is, to my knowledge, a poem involving free will and the garden of Eden. It’s been the inspiration for such works as His Dark Materials by Philip Pullman and The Dark Tower by Stephen King.