What Krishna says to the broken-hearted Arjuna unfolds over eighteen chapters and seven hundred verses, and it becomes the Bhagavad Gita — the "Song of the Lord," perhaps the most beloved and widely read scripture of the Hindu tradition. It begins by answering grief with a wider vision: the true self, the atman, is deathless; it is neither slain nor slayer, but passes through bodies as a person changes worn-out clothes. Death, then, is not the absolute that Arjuna fears. But this is only the doorway. The teaching's living heart is its ethic of action.

Krishna's central instruction is nishkama karma — action without desire for its fruits. "You have a right to your action alone, never to its fruits" (Gita 2.47) is the verse the whole tradition turns upon. We cannot help but act; even to sit still is a kind of action. The freedom Krishna offers is not freedom from work but freedom within it: do your duty fully, skilfully, with all your strength — and release your grip on the outcome. To act in this way is to act without the agitation of craving and fear; "yoga is skill in action" (2.50), and equanimity itself, evenness of mind in success and failure, is named as yoga (2.48). The lotus, rooted in muddy water yet untouched and dry, is the recurring image of one who works in the world without being stained by it.

From this seed grow the three yogas, three paths suited to different temperaments. Karma yoga is the path of selfless action, offering all one does to the divine without clinging to results. Jnana yoga is the path of knowledge and discernment, the wisdom that distinguishes the eternal self from the passing world. And bhakti yoga is the path of loving devotion, of giving one's whole heart to God as a beloved — the path Krishna seems to praise most warmly, promising in the final chapter that the devotee who takes refuge in him shall be freed from all sorrow (18.66). The paths are not rivals but doorways, each leading home.

The Gita also reveals who is speaking. In its eleventh chapter, at Arjuna's request, Krishna unveils his Vishvarupa, the universal form — all the worlds, all beings, all time, blazing in a single overwhelming vision, before which Arjuna trembles and bows. The friend at the reins is the ground of all being.

Reassured, Arjuna takes up his bow. The Gita does not tell us simply to fight; it tells us how to live — to meet our duties with devotion and courage, and to lay down the heavy burden of grasping after what we cannot control. That counsel has been read and loved across every Indian tradition, and far beyond India's shores.