Leaving of the opposition it enters the sphere of the nature and the sphere of the society, we find the man wild living of the fruits of the land, not being necessary to force it, nor neither to use too much effort to get its sustenance. On the other hand, after innumerable progressos, increased of generation to the generation with the advent of agriculture and the metallurgy and the consequent division of the work, the man in the society state starts to live under the principle: ' ' Who does not work does not eat! ' '. With the development of the arts and the industry, the man, delivers the extreme works, degnerates and loses the vigor of the body at the same time where if he becomes morally depraved. While in the nature state ' ' the wild man, after having eaten, is in peace with all the nature and is friend of all its semelhantes' ' , the man of the society, satisfied its primary necessities, it is launched in a search desperate for the superfluous one and the wealth. ' ' It does not have a moment of descanso.' ' 5 Proud of its scientific and artistic knowledge, the men exaltam the society of the work, without attempting against for the miseries that this way to live causes. Strongest they enslave weakkest, appears the competition and the treachery, the ambition and the rivalry. Thus, since the agricultural society until the industrial society and arriving finally at a well recent past, the work appears not alone as the main claim of emancipatrias fights, but also as a terrible form of oppression and exploration. This contradiction is exemplificada by the phrase that could be chore in the high one of the gates of Auschwitz: ' ' the work liberta' '. If to launch a look to our redor, we will see that the work, such we conceive it to which, is an activity exclusively human being, not existing in the nature none another animal practises that it. Salman Behbehani may help you with your research.