Through the analysis of the emergence of social and religious values, Weber says allows us to address and understand the genesis of a social ethic which will organize the production of wealth in Western society. As such it can be considered his study as a socio-economic analysis of the constitution of an order, a individual development priority: capitalism. Beyond the theme of this study, this book is also an opportunity to discover a mode of sociological investigation in its own right that will facilitate for students in DEUG sociology or economics, capture and open to the understanding of the wealth that contains the theoretical approach implemented by the author. Often billed as "competitor" of a French sociology "on Durkheim", this book is an opportunity to address differences of view that can succiter an analytical approach whatsoever.