Kitoko Yuwayako Denis is a writer, Christian thinker and founder of the theory of Echo Mentality. Born in Goma, Democratic Republic of Congo, he developed a theory which holds that we reproduce in the visible world what we receive invisibly from God. This theory seeks to bring man to understand that he is a spirit and that he can only live a fulfilled life if he connects and remains connected to the creator and director of his existence and the purpose attached to it. : God.