Das Kapital, also known as Capital: A Critique of Political Economy or sometimes simply Capital (German: Das Kapital. Kritik der politischen Ökonomie, pronounced [das kapiˈtaːl kʁɪˈtiːk deːɐ poˈliːtɪʃən økonoˈmiː]; 1867–1883), is a foundational theoretical text in materialist philosophy, critique of political economy and politics by Karl Marx.