Date: 1796

"Behold the wretch, who from that cavern [a madhouse?--"Sad habitation of the lost, insane"] flies, / Hell in his heart, destruction in his eyes"

— Merry, Robert (1755-1798)

Date: 1796

"He ponders on the world,--abhors the whole; / While black as night, his gloomy thought expands / O'er life's perplexing paths, and barren sands"

— Merry, Robert (1755-1798)

Date: 1803

"[W]rithing Mania sits on Reason's throne, /Or Melancholy marks it for her own"

— Darwin, Erasmus (1731-1802)

Date: 1803

"Reason's empire o'er the world presides, / And man from brute, and man from man divides"

— Darwin, Erasmus (1731-1802)

Date: 1803

"Charms with soft words, and sooths with amorous wiles, / Her iron-hearted Lord,--and Pluto smiles."

— Darwin, Erasmus (1731-1802)

Date: c. 1804-1811, 1818

"For every human heart has gates of brass & bars of adamant, / Which few dare unbar because dread Og & Anak guard the gates"

— Blake, William (1757-1827)

Date: c. 1804-1811, 1818

"Terrific! and each mortal brain is walld and moated round / Within"

— Blake, William (1757-1827)

Date: c. 1804-1811, 1818

Og & Anak watch in the brain which "is the Seat / Of Satan in its Webs; for in brain and heart and loins / Gates open behind Satans Seat to the City of Golgonooza / Which is the spiritual fourfold London, in the loins of Albion"

— Blake, William (1757-1827)

Date: c. 1804-1811, 1818

"Urizen lay in darkness & solitude, in chains of the mind lock'd up."

— Blake, William (1757-1827)

Date: 1812

The realms of mind are ruled by shades

— Barbauld, Anna Letitia [née Aikin] (1743-1825)