THE HOLY QURN S 03 :03

This is why throughout the history; Man has hadsome sort of deity and Religion. Even those nations who bore the heavy pressures of anti religion policies and propagandas, have returned back towards their religion as soon as they obtained some freedom.

Of course it can not be denied, That Man, for hislow culture has often had his true religion mixed withsu perstitions, and the prophets main roles were toremove that and clean the mirror of the hearts.. [1]

[1]-TAFSIRGHARTABI VOL .9 :2616