First published in 1986 Mary Douglas' theory of institutions uses the sociological theories of Emile Durkheim and Ludwig Fleck to determine not only how institutions think, but also the extent to which thinking itself is dependent upon institutions. Different kinds of institutions allow individuals to think different kinds of thoughts and to respond to different emotions. It is just as difficult to explain how individuals come to share the categories of their thought as to explain how they ever manage to sink their private interests for a common good.

Douglas forewarns us that...

In Purity and Danger Mary Douglas identifies the concern for purity as a key theme at the heart of every society. In lively and lucid prose she explains its relevance for every reader by revealing its wide-ranging impact on our attitudes to society, values, cosmology and knowledge. The book has been hugely influential in many areas of debate - from religion to social theory. But perhaps its most important role is to offer each reader a new explanation of why people behave in the way they do. With a specially commissioned introduction by the author which assesses the continuing...

One of the most important works of modern anthropology. Written against the backdrop of the student uprisings of the late 1960s, the book took seriously the revolutionary fervour of the times, but instead of seeking to destroy the rituals and symbols that can govern and oppress, Mary Douglas saw instead that if transformation were needed, it could only be made possible through better understanding. Expressed with clarity and dynamism, the passionate analysis which follows remains one of the most insightful and rewarding studies of human behaviour ever written.