“Vulgarization” initially appears as a word of interest in the 19th century. There arises a new adoption mode of holy books, literature and comprehension of vulgarity at this point: an unfinished project even for the philosopher or the scientist who has to coexist partially with fellow humans in the “world”, the vulgus. It is the scientist’s reduction of scientific findings and calculations to address public conscience, which does not necessarily intend to “enlighten societies”.