The Vedas teach that the self is infinite reality and should not be superimposing activity, agentship and enjoyment on the self. The purpose of all this? This teaching of edanta nibrit to remove, to negate, to cancel what samsar our samsar. Why dos and don't do? Does our samsara depend on weders, or dos and dones, or convention religion? No, samsara is it's there with us. We're born into it. But if you want a good a deal out of it if you want the best possible life here in this world for yourself and your family and your community, then go to heaven afterwards.
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.