Without doubt, in modern society —specially within the European and Northeamerican boundaries— the formalistic doctrine of Dewey, Piaget, Kohlberg, Popper, Reed, Rest, Apel, Habermas and rorty has a deep influence at all levels: personal, social, political, and cultural. This study recognices the moral interest of the so called “consensus ethics”, but points out important shortcomings of this approach.