We of course are not on the level of Narada…when we preach, the strength of our preaching is by faithfully repeating …just like Hari Sauri prabhu, Srila Prabhupada’s personal servant, at one point mentioned that he wanted to go out preaching and Prabhupada said, “Preach, what will you preach? What will you preach?” He said, “I am preaching… I am preaching. What can you preach? But if you faithfully repeat whatever you have heard than you can preach…”
(Kadamba Kanana Swami, 23 April 2010, Radhadesh, Belgium)