sri bhagavan uvaca-the Personality of Godhead said; asamsayam-undoubtedly; maha-baho-O mighty-armed one; manah-mind; durnigraham-difficult to curb; calam-flickering; abhyasena-by practice; tu-but; kaunteya-O son of Kunti; vairagyena-by detachment; ca-also; grhyate-can be so controlled.