Raghunath and Kaustubha discuss Bhagavad-gita Ch.15 / Krishna\u2019s guided meditation \u2013 how to contemplate his sustaining presence in everything / Krishna pervades the heart of everyone / even to forget Him, we need Krishna\u2019s help / beyond the condiitioned and liberated souls there is the Supreme Soul who enters the world and maintains it / knowing Krishna as the ultimate person, and engaging in His loving service is the most confidential secret of the Vedic literature