In philosophy nowadays they have what is called, have you heard of this BIV? BIV. Brain in a vat. They do it in philosophy schools. How can you prove that there are some super sophisticated technologies not there? You are only a brain floating in a solution of nutrients and connected to instruments with impulses from outside generating this experience. It could be in principle true. In fact Elon must say that it's quite probable that we are living in a virtuality. This whole thing could be a dream. But what is real now? You know what's real? This present moment is very real. And you know why it's real? What Vedanta would say? Whatever you