Today I have the answer for you. Back to the past , human beings are born of fear and don't understand in natural phenomenon Such as rain, thunder, tsunami. They think that God will punish them and they find ways to protect themselves to live happily such as the worship of gods, which believe that these things will protect them. Later, the principles of science began to find out the truth it make some belief disappear and some of it still exists until today, we have seen. The principles of science make belief that there are more reasons. If you follow some beliefs too much until you don't work. We called “ngomngai” which is seen in everyday life of us.