tasya—of Janamejaya; putrah—the son; satanikah—Satanika; yajnavalkyat—from the great sage known as Yajnavalkya; trayim—the three Vedas (Sama, Yajur and Rg); pathan—studying thoroughly; astra-jnanam—the art of military administration; kriya-jnanam—the art of performing ritualistic ceremonies; saunakat—from Saunaka Rsi; param—transcendental knowledge; esyati—will achieve.