`Bernard Lahire has opened a new window. With the decline of primordial thinking (stressingrace, class, gender and nationhood) heightened by globalization, he suggests a new way of seeing and conceptualizing the social world in an open, pluralistic mode. He builds on tradition, milieu and context, but shows how thinking, goals and a plurality of values combine in what we do."Terry Nichols Clark, University of Chicago The Individual that the social sciences take as an object is most often studled in a particular context or from a single dimension. The actor is analysed as a student, worker, consumer, spouse, reader, sportsperson, voter, etc. However, in societies where people often live through simultaneously and successlvely heterogeneous and sometimes contradictory social experiences, each individual inevitably carries a plurality of roles and manners of seeing, feeling and acting. The aim of this study is to consider the ways in which this plurality of worlds and experiences are incorporated into the being of each person and to observe individual"s actions in a variety of settings. In addition to hissociological viewpoint, the author engages with psychology, history, anthropology and philosophy. His reflections lead him to embark on a programme of psychological sociology to highlight the complexities of this plural view of the social.