You have also misunderstood Shankara’s commentary on Brihadaranyaka Upanishad 2.4.13. What it is saying is that when the body-mind of a j~nAnI dies, the chidAbhAsa consciousness dies with it, since there is no longer a mind to reflect the ‘original’ Consciousness. It does not say anything at all about the world disappearing or about the individual j~nAnI in any way disappearing prior to death of the body. The chidAbhAsa for the j~nAnI will continue until death. The world will continue to be seen by that j~nAnI even though it is now known to be mithyA.
I am afraid that the view expressed by Dennis above lacks shruti and bhAShya support. Perhaps, it resembles the confusion that Maitreyi had when she listened to her husband, Sage Yajnavalkya, at 2.4.12, brihadAraNyaka. Continue reading →
On the insistent questioning of the highly determined Naciketas, Lord Yama had no alternative but to reveal the secret code to ending the transient mortal world and realizing the “immortality” that one actually and already is. It is not some thing new that one acquires. It is prAptasya prAptiH (प्राप्तस्य प्राप्ति:). Or, as kaTha says at 2.5.1, विमुक्तश्च विमुच्यते (i.e. becoming freed, one becomes emancipated. In other words, he does not take up a body again).
Shankara explains it in his own inimitable way unpacking the involved intricacies in simple words. He writes in his commentary at 1.3.14, kaTha in the following way: