ISKCON SanDiego: SB Class by HG Dravida Prabhu on 1/23/2019 (video)
Srila Prabhupada: Devotional service begins with the chanting of the Hare Krishna mantra and side by side trying to understand Krishna in truth. Unfortunately, those who are simply official students of the Vedas become more interested in offering sacrifices to the different demigods, like Indra and Candra. (Bhagavad-gita, 9.20 Purport)
Watch it here: https://goo.gl/hWupwB