This document is neither a study nor an apology for progressivism. It does not claim to be the mouthpiece of a structured movement, or the thoughtful synthesis of a current with space-time coordinates. It is intended to be a formulation of the evidence of certain teachings of the history of Humanity through the condensation of its demands... My wish is that this book reaches the hands of the young and not so young in all regions of the world, without distinction of race or religion. It is addressed to all those who believe in an approach to the ideal without being naive or mentally deficient...