Date: 1817

"The wise Stagyrite speaks of no successive particles propagating motion like billiard balls (as Hobbs;) nor of nervous or animal spirits, where inanimate and irrational solids are thawed down, and distilled, or filtrated by ascension, into living and intelligent fluids, that etch and re-etch eng...

— Coleridge, Samuel Taylor (1772-1834)

Date: 1817, 1818

"But the dark fiend who with his iron pen / Dipped in scorn's fiery poison, makes his fame / Enduring there, would o'er the heads of men / Pass harmless, if they scorned to make their hearts his den."

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"How will thy soul, cloven to its depth with terror, / Gape like a hell within!"

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"Yet am I king over myself, and rule / The torturing and conflicting throngs within, / As Jove rules you when Hell grows mutinous."

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"On a poet's lips I slept / Dreaming like a love-adept / In the sound his breathing kept; / Nor seeks nor finds he mortal blisses, / But feeds on the aëreal kisses / Of shapes that haunt thought's wildernesses."

— Shelley, Percy Bysshe (1792-1822)

Date: 1821

"Dust to the dust! but the pure spirit shall flow / Back to the burning fountain whence it came."

— Shelley, Percy Bysshe (1792-1822)

Date: 1821

And "if the seal is set, / Here, on one fountain of a mourning mind, / Break it not thou!"

— Shelley, Percy Bysshe (1792-1822)

Date: 1825

"What powers lie folded in thy curious frame,-- / Senses from objects locked, and mind from thought! "

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

Date: 1825

"One only passion, strong and unconfined, / Disturbed the balance of her even mind"

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

Date: 1831

"By the mind we understand that within us which feels and thinks, the seat of sensation and reason"

— Godwin, William (1756-1836)