yena proktah kriya-yogah
manye—I think; maha-bhagavatam—the greatest of all devotees; naradam—the sage Narada; deva—the Supreme Personality of Godhead; darsanam—who met; yena—by whom; proktah—spoken; kriya-yogah—devotional service; paricarya—for rendering service; vidhih—the procedure; hareh—to the Supreme Personality of Godhead.
Vidura continued: I know that the great sage Narada is the greatest of all devotees. He has compiled the pancaratrika procedure of devotional service and has directly met the Supreme Personality of Godhead.
There are two different ways of approaching the Supreme Lord. One is called bhagavata-marga, or the way of Srimad-Bhagavatam, and the other is called pancaratrika-vidhi. Pancaratrika-vidhi is the method of temple worship, and bhagavata-vidhi is the system of nine processes which begin with hearing and chanting. The Krsna conscious movement accepts both processes simultaneously and thus enables one to make steady progress on the path of realization of the Supreme Personality of Godhead. This pancaratrika procedure was first introduced by the great sage Narada, as referred to here by Vidura.
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