Does it still felt today raised the issue of analogy? Is not this something already exceeded and, therefore, irrelevant to contemporary concerns of philosophy? Although it may seem that reminds us of a conceptual gadget out of current preoucupaciones that only makes sense in a given context, the analogy is present-explicitly and implicitly-in the history of philosophy. Can be said to constitute the methodical shaft metaphysical thinking, and as Miquel Seguró shows, since every human meditate duty contend sooner or later with the proper metaphysical question if he really wants to think about the mystery of reality, it is necessary to raise the issue in a meaningful and relevant way for the contemporary man.