Energy is Eternal Delight: The Political Marriage of Heaven and Hell in Willian Blake's Cosmological Enlightenment

Those who restrain desire, do so because theirs is weak enough to be restrained; and the restrainer or reason usurps its place & governs the unwilling.
And being restrain'd it by degrees becomes passive till it is only the shadow of desire.
The history of this is written in Paradise Lost, & the Governor or Reason is call'd Messiah.
And the original Archangel or possessor of the command of the heavenly host, is call'd the Devil or Satan and his children are call'd Sin & Death.
But in the Book of Job Miltons Messiah is call'd Satan.
For this history has been adopted by both parties.
It indeed appear'd to Reason as if Desire was cast out, but the Devil's account is, that the Messiah fell, & formed a heaven of what he stole from the Abyss.

"London"

I wander thro’ each charter’d street, 
Near where the charter’d Thames does flow.
And mark in every face I meet
Marks of weakness, marks of woe.

In every cry of every Man,
In every Infants cry of fear,
In every voice: in every ban,
The mind-forg’d manacles I hear

How the Chimney-sweepers cry
Every black’ning Church appalls,
And the hapless Soldiers sigh
Runs in blood down Palace walls

But most thro’ midnight streets I hear
How the youthful Harlots curse
Blasts the new-born Infants tear
And blights with plagues the Marriage hearse

Harvard's Professor Leo Damrosch masterful remarks on Blake 's political and spiritual revolutionary horizon