Vaishampayana said, "When the diverse detachments of the Pandava and the Kuru armies were drawn up in battle array and when Arjuna became dispirited, the holy one himself explained the question of what is the end and what is not the end attained by persons of different characters. I have before this recited to you the words of the holy one. It is difficult to understand the religion preached by the holy one on that occasion. Men of impure souls cannot apprehend it at all.