Date: 1800

"Others, unemployed, were strolling to and fro, and testified to their vacancy of thought and care by humming or whistling a tune."

— Brown, Charles Brockden (1771-1810)

Date: 1800

"My mind gradually expanded itself, as it were, for the reception of new ideas."

— Brown, Charles Brockden (1771-1810)

Date: 1800

"The image of Achsa filled my fancy, but it was the harbinger of nothing but humiliation and sorrow."

— Brown, Charles Brockden (1771-1810)

Date: 1803

"But, wishing to enrich me more, to fill / My mind with treasure, led'st me far away / From city din to deep retreats, to banks / And streams Aonian, and, with free consent, / Didst place me happy at Apollo's side."

— Cowper, William (1731-1800)

Date: 1814, 1816, 1896

"Thoughts, like Churl's corn, in chamber'd stores entomb'd, / Devour'd by vermin, or, decay, consum'd; / Whose fruits might food, or opulence, afford; / Enrich the Rich, or bless the poor Man's board."

— Woodhouse, James (bap. 1735, d. 1820)

Date: 1817

"When some bright thought has darted through my brain: / Through all that day I've felt a greater pleasure / Than if I'd brought to light a hidden treasure."

— Keats, John (1795-1821)

Date: 1818

"I knew, I knew / There was a place untenanted in it: / In that same void white Chastity shall sit, / And monitor me nightly to lone slumber"

— Keats, John (1795-1821)

Date: 1818, 1859

"Now this is by no means possible, for as soon as we turn into ourselves to make the attempt, and seek for once to know ourselves fully by means of introspective reflection, we are lost in a bottomless void; we find ourselves like the hollow glass globe, from out of which a voice speaks whose cau...

— Schopenhauer, Arthur (1788-1860)

Date: December 27, 1823

"Now in filling my mind with them [ideas and facts], and in warming and animating me, you would, I doubt not, do me great good. And I am one of those substances, like sealing wax and other electric bodies, which require to be warmed in order to possess the faculty of attracting objects, of coveri...

— Wilberforce, William (1759-1833)

Date: 1830

"To grasp intelligence as this night-like mine or pit in which is stored a world of infinitely many images and representations, yet without being in consciousness, is from the one point of view the universal postulate which bids us treat the notion as concrete, in the way we treat, for example, t...

— Hegel, G. W. F. (1770-1831)