The article treats the retaking of the concept of human capital in recent decades in the context of the hegemony of the multilateral organizations more directly linked to the North American thinking and interests in the educational area and the demands which have resulted from the productive, social and cultural restructuring of the New Age of Capitalism. It highlights the breadth of the metaphorical notions derived from it (Bourdieu and others) and cites the excerpt from the Grundrisse in which Marx refers to humans as fixed assets created by the development of their abilities in their free time.