The Mahabharata is best known for the war between the Pandavas and Kauravas and for containing the Bhagavad Gita. Many people know Arjuna and his story. But, after the war, it enters one of its deepest philosophical sections. In Book 12, the Shanti Parva, the dying Bhishma instructs Yudhishthira on dharma, renunciation, knowledge, and liberation.…