This comment from Adela Cortina's text "Mans and citizens moral education", brings together some of the arguments that demonstrate the invasion that has suffered the philosophical elaboration and particularly the reflections about ethics from the un-reflexive confidence of the process that some of researchers believe in seeing the conductismo and the cognitism. As well as the advanced scientific formulas whose methods allow fabricating moral subjects. With some examples and quotes of others who are interested in the subject, the author emphasises in the need to distinguish two elements: 1) the unpredictable truth of the ethical act, which changes the coordinates of good. It also can also be judged by a rational way and universal criteria (d...