Vedanta would say all that we know is consciousness. We think we know people and things and events, but they are nothing other than something taking place in your awareness. The advantage will be it's self-demonstrated. Once you begin to get that, because it is continuously available to us, it will not be subject to any kind of doubt. You'll get clarity and conviction straight away about it. It's not like a theoretical thing which is put forward by particle physics. Such a particular particle might exist depending on later verification. But here, what we are going to talk about, according to what Advaita Vedanta talks about, is always available to us. Then
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 5-6.