From Milton, Paradise Lost (1674):
Me miserable! which way shall I fly
Infinite wrath, and infinite despair?
Which way I fly is Hell; myself am Hell;
And in the lowest deep a lower deep
Still threatening to devour me opens wide,
To which the Hell I suffer seems a Heav'n. (IV.73-78)
(Illustration is John Martin, Sadak in Search of the Waters of Oblivion, 1812.)