The inner affinity of money and religion has been a central issue of the `classical' theories of money, in particular of Georg Simmel and Karl Marx. The paper argues that the conceptualizations of money in current economic sociology and mainstream economic theory are deficient, and that a more promising approach can be developed by referring to those classical authors, whose thinking was not yet dominated by the institutionalized academic division of labour between sociology and economics of today. It is shown, (...) how the concept of money as `Vermögen' (Simmel) or as `capital' (Marx) can be combined with current constructivist theories of economic `myths' and `visions', thus opening a new perspective for sociological analysis of entrepreneurship, innovation, economic growth and social change. (shrink)