Hanging by a Thread — What the Yayavaras Taught Jaratkaru About Duty and Descendants in Mahabharata In the Adi Parva of the Mahabharata, inside a section called Astika Parva, there is a small but very meaningful story about a group of sages called the Yayavaras. These sages were the forefathers of a great rishi named Jaratkaru, who later became the father of Astika, the very sage who is famous for stopping King Janamejaya's snake sacrifice and thereby saving the serpent race from being wiped out. Jaratkaru himself was a strict follower of celibacy and austerity. He never married and spent his days doing tapasya, moving from place to place. One day, while travelling, he came upon a strange and disturbing sight. In a deep cave, he saw a group of his own ancestors hanging upside down, feet up and heads down, tied by a rope of grass. This rope was being slowly nibbled and weakened by rats who lived hidden in that cave. Jaratkaru asked them who they were and why they were suffering ...