Contradiction theory 0f morality and religion, a critical study

Studying the relation between religion, morality and spirituality is an important issue in religious studies and ethics. It, also has followed several disputes between thinkers through human history of thinking. In the contemporary era, regarding several changes in western societies, the subject has survived stronger, and had some recent ideas being appeared. Some of the ideas, which seems to lead to a misgiving about religion and its function, is the idea of contradiction between morality and religion. This issue is to study and evaluate this idea as suggested by Nietzsche, Rachels and Hospers. The conclusion is that it is nether compatible with moral teachings of religion, nor with religious or moral conduct. Regarding the first era, it seems that morality is an unseparable part of religion. Regarding the second also, they are so associated that separation of moralities from religion makes it very limited, unsubstantial, with very week motivation power.