The human being must know what he is, where from he has come what is the position after death; why we are suffering threefold miseries of life; what is the ultimate goal of life; what is this cosmic universe; what is matter and what is spirit; which of them is superior etc. There are so many things to be learnt by the human being.
Unfortunately, the present human society by the advancement of scientific knowledge, has manufactured lethal weapons to kill and destroy. They have no discovery for living and building peaceful and progressive life. The world has no information for the great problems life.