Date: March 1843

"The mind is in a sad state when Sleep, the all-involving, cannot confine her spectres within the dim region of her sway, but suffers them to break forth, affrighting this actual life with secrets that perchance belong to a deeper one."

— Hawthorne, Nathaniel (1804-1864)

Date: 1850

"No familiar shapes / Remained, no pleasant images of trees, / Of sea or sky, no colours of green fields; / But huge and mighty forms, that do not live / Like living men, moved slowly through the mind / By day, and were a trouble to my dreams."

— Wordsworth, William (1770-1850)

Date: 1854

"t was altogether unaccountable that a young gentleman whose imagination had been strangled in his cradle, should be still inconvenienced by its ghost in the form of grovelling sensualities; but such a monster, beyond all doubt, was Tom."

— Dickens, Charles (1812-1870)

Date: 1892, 1899

"This mental escort which the mind supplies is drawn, of course, from the mind's ready-made stock."

— James, William (1842-1910)