The Mahabharata/Book 1: Adi Parva…
“ And the king of the snakes was afflicted with great grief, and his heart was about to break. And summoning his sister, he spake unto her, saying, 'O amiable one, my limbs are burning and I no longer see the points of the heavens. I am about to fall down from loss of consciousness. My mind is turning, my sight is falling and my heart is breaking. Benumbed, I may fall today into that blazing fire! This sacrifice of the son of Parikshit is for the extermination of our race. ”
