Jean Baudrillard on consumption: It is not defined by the food we eat, the clothes we wear, the car we drive ... but in the organization of all this as signifying substance ... Consumption, in so far as it is meaningful, is a systematic act of the manipulation of signs.' Auguste Comte on science and sociology: From science comes prevision; from prevision comes action (Savoir pour prevoir et prevoir pour pouvoir).' Emile Durkheim on suicide: If...