Explain why it can be problematic to base morality and ethics only on religion. Solution The existence of ethics as a science, moral as a positive framework out of religion is as old as civilization. Aristoteles and Platon stated that gods did not need of men, so religious moral is unuseful. But, other authors as C.S. Lewis recognize that is possible moral behavior without be a religious practice, however, the criterion of categorization between good or bad is not sustainable, because it would be a preference choice, without transcendence. Philosophers as Nietzsche, Kant or Holyoake agree about religion operates as an exogenous imposition of behaviors, that they do not have any ethic value, because they are not self- motivated, instead, non religious ethic is more valuable in this sense. There is a general accepted principle about the religious freedom and the laicity of the State, because religions has different emphasis and moral codes among the world, and the imposition of demand ethical behaviors have been addressed to an specific religion is a violation of the rights of the non followers of this faith. However, society requires an objective system of convivence which respects everybody believes, since there the need of a rational way of ranking moral decisions. Other aspect is that it has been argued that many religious moral codes do not promote the self superation, just they keep you saved of to be a criminal..