sutah uvaca-Suta Gosvami said; upadharya-by hearing her patiently; vacah-words; tasyah-her; bhagavan-the Personality of Godhead; bhakta-vatsalah-He who is very much affectionate towards His devotees; apandavam-without the existence of the Pandavas' descendants; idam-this; kartum-in order to do it; drauneh-of the son of Dronacarya; astram-weapon; abudhyata-understood it.