Vivekananda put it in the arathi, the kandana of one-dan arathi, which we sing in all our ashrams. He loved this language, he loved the katopanishad. This mantra was clearly his favorite mantra because the sheer poetry of it and the philosophical depth of it. It is good for consciousness, what about me, you? You shining, everything here shines after you. Tassya vasa, by light of that, by your light, all of these are lit up. The gross physical world, the subtle mental world, mental emotional mind, world of the mind, and the deep sleep experience of blankness, a potential state