Kathopanishad (Madhva commentary) — Chapter 1 – Sixth Valli
Mantra 6.1. 1. Grounded in the Highest, with lower devas as its branches, is this beginningless Aśvattha tree (the universe). He alone is free from sorrow: He alone is full and absolute. He alone is said to be the eternally free, hi Him are all worlds sheltered. Beyond Him verily no one can go. This…