The title is based on the shared conception that will understand both whether it is an understanding of the other in the speech as of the understanding of texts ?? One does not have to look for a single and obligatory path that is the same for all, but can be achieved in various ways. It also corresponds to the experience that there are always new and different questions to ask, which make it possible to open other accesses to the comprehension and to make patent aspects of a person or perspectives about a thing unknown at the moment.