Experience is nothing other than this consciousness being channelled through the mind and senses. Toreooh, their languag breaks down. Now, do you experience torea? Not quite. So, is it just a theory? Not at all. In fact, torea is the basis of all experience. It's rather the enabler of all experience, and it's you.
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 1.