Nisargadath has been mentioning him. He says you know who you are, the one who was aware of your birth and the one who will be aware of your death - that's who you are. So the mind senses all of that is death as the physical body. But this pure consciousness, what is death after all? It's physical death. What is physical world? It's part of your waking world. Is it real? No. What's real? This one. Wait. I'm coming.