The frame story
The Gītā opens at the moment of decision before the eighteen-day battle of Kurukshetra. Arjuna, surveying the relatives and teachers he is about to fight on the opposing side, drops his bow in despair. Krishna — who has agreed to drive his chariot — uses Arjuna's collapse as the occasion for the longest sustained spiritual instruction in Indian literature. The teaching covers the nature of the self, the relationship between action and renunciation, the three paths of yoga, and the metaphysics of devotion.
The synthesis
Earlier strands in Indian tradition tended to treat the paths of yoga as alternatives — go the way of action, or of devotion, or of knowledge. The Gītā argues all three are valid and ultimately convergent. Karma yoga (action without attachment to fruits), bhakti yoga (devotion to the chosen form of the divine), and jñāna yoga (the wisdom that sees through the apparent self) are presented as complementary. This is why the text reads so widely across traditions: each major lineage finds its own work in it.
Western reception
Charles Wilkins's 1785 English translation was the first into any European language and reached Goethe, Hegel, and the American Transcendentalists; Emerson and Thoreau read it carefully. Gandhi treated the Gītā as his daily companion. In the index's own intellectual ancestry, Ram Dass and his teacher Neem Karoli Baba, the Self-Realization Fellowship of Yogananda, and Eckhart Tolle's references to the Christ alongside the Krishna all flow from the Gītā's framing.
— end of entry —