We were given some customs, traditions to follow and we grasped it like truth. We were bound by casteism, social mannerism and that was happening in the name of religion. In other words, we all are Arjun's in some sense and where there is Arjuna; Shri Krishna will be needed to show us the true religion i.e. "Swadharma". This epic helps us understand about ourselves and who really Krishna is.