"Civilizations were created and guided so far by a small intellectual aristocracy, never by crowds" declares relevance in 1845 with Le Bon (1841-1931), physician and psychologist who is studying in universities outside France as The Bastiat is for Libéralisme.C'est a French specialty seems il.Nous generate thinkers recognized elsewhere and we ignorons.Peut be because they are "non-standard and we prefer long been a thought "right-thinking" But let the thought of Le Bon: "When the building of a civilization is rotten bring the crowds then appears écroulement.C'est their role" .And well, reading this book you will understand how to handle the crowds: it is a precise, well built in a logical thought is easy to follow, without ridiculous and abstruse concepts like love our authors today and it's a great grid reading to understand how we are being manipulated today, this time of social networks, the media, opinions and emotions excerbées.A read to stay awake.