Marx concluded capitalism was the only mode of production he could adequately theorize.

Evidence

By the time he came to write Capital, the aspiration to formulate the premisses of a universal history remained, as it should have remained, but the realization grew that the only mode of production he could adequately theorize was that of capitalism, for which there was very considerable evidence as well as a largely adequate method, which he himself had taken such pains to formulate. — Aijaz Ahmad, In Theory, 483

Categorization

  • XREF: Directly relevant to reading Capital as a historically bounded project rather than a universal theory — connects to critiques of universalizing political economy.