Comment by alwa

Why, if I didn’t know better, I’d imagine the gp might have been thinking about noted political theorist and agitator Karl Marx, writing briefly in Wage Labor and Capital (1847) [0] or later in his heftier Das Kapital (1867-1894) [1].

Offered without comment, except that better ebook examples are surely available somewhere:

[0] https://www.marxists.org/archive/marx/works/download/pdf/wag...

[1] https://archive.org/details/KarlMarxCapitalVolumeI-III/Karl%...