Date: w. btw. April and August, 1844

"Logic -- mind's coin of the realm, the speculative or mental value of man and nature -- its essence which has grown totally indifferent to all real determinateness, and hence unreal -- is alienated thinking, and therefore thinking which abstracts from nature and from real man: abstract thinking."

— Marx, Karl (1818-1883)

Date: 1854

"The former have more exaltation, perhaps more nobility of sentiment, and less consciousness in their intellectual activity--less of the 'femme auteur', which was Rousseau's horror in Madame d'Epinay; but the latter have a richer fund of ideas--not more ingenuity, but the materials of an addition...

— Eliot, George (1819-1880)

Date: 1889

"The story is a fiction, -- the coinage of the brain, -- the book a reality."

— Hare, John Innes Clark (1816-1905)