It is this relationship, established with out the mediation of knowledge, that is observed by the healthy man; and this observation itself is not an option for future know ledge; it is not even an act of awareness (prise de conscience); it is performed immediately and blindly: 'A secret voice tells us here: contemplate nature';' multiplied by itself, transmitted from one to another, it becomes a general form of consciousness of which each individual is both subject and object: 'Everyone, without distinction, practised this medicine. .