Baasate magantisedanti bahovo anike mora says, many people am many people tink. And what kind of people sink? He says, they are foolish. So yama does not think very highly of people who make it a point that the world is everything that there is that is. That's why these penisheds are foundational. If you're not very clear about this, we will be disappointed in the end. Why can't i be rich and young and have lots of facebook friends and lots of selfies and also be enlightened, be like a buddha, all of that together?
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.