pitarau-the actual father and mother of Krsna; na-not; anvavindetam-enjoyed; krsna-of Krsna; udara-magnanimous; arbhaka-ihitam-the childhood pastimes He performed; gayanti-are glorifying; adya api-even today; kavayah-great, great sages and saintly persons; yat-which is; loka-samala-apaham-by hearing of which the contamination of the whole material world is vanquished.