Jerusalem: I see the Four-fold Man, The Humanity in deadly sleep

I see the Four-fold Man, The Humanity in deadly sleep
And its fallen Emanation, the Spectre and its cruel Shadow.
I see the Past, Present and Future existing all at once
Before me. O Divine Spirit, sustain me on thy wings,
That I may awake Albion from his long and cold repose;
For Bacon and Newton, sheath'd in dismal steel, their terrors hang
Like iron scourges over Albion: reasonings like vast serpents
Infold around my limbs, bruising my minute articulations.

I turn my eyes to the schools and universities of Europe
And there behold the Loom of Locke, whose Woof rages dire,
Wash'd by the Water-wheels of Newton: black the cloth
In heavy wreaths folds over every nation: cruel works
Of many Wheels I view, wheel without wheel, with cogs tyrannic
Moving by compulsion each other, not as those in Eden, which,
Wheel within wheel, in freedom revolve in harmony and peace.