Namaste An article with the above name is available in the URL below. It is about the Advaitic interpretation of the Kaṭhopaniṣat mantra 1.3.9 containing the above words. https://adbhutam.wordpress.com/2015/02/04/tad-vi%E1%B9%A3%E1%B9%87o%E1%B8%A5-paramam-padam/ regards subrahmanian.v