In this climactic verse, Krishna concludes the fifteenth chapter by unveiling the 'most secret' doctrine (guhyatamam). He is not merely transmitting information but is unveiling the core ontology of the universe—the distinction between the perishable (kshara), the imperishable (akshara), and the Supreme Person (Purushottama). By calling Arjuna 'anagha' (sinless or faultless), Krishna highlights that the highest knowledge is accessible only to those whose hearts have been purified of egoic attachments, making them fit vessels for divine wisdom. The 'secret' here is not hidden because it is obscure, but because it remains veiled by the cloud of identification with the mind and body. Once the veil of ignorance is pierced, the seeker perceives the unity underlying the manifest world, realizing that the Divine is both the ground of existence and the ultimate destination. This realization renders all other worldly duties and Vedic rituals secondary, for the soul has attained its true purpose (krita-krityah). To be 'krita-kritya' is the pinnacle of human achievement; it is the state of the fulfilled soul who no longer seeks because it has realized that it is already complete. By knowing this, the seeker transcends the cycle of becoming and returns to the stillness of Being, having accomplished all that was ever required of an embodied soul.

True enlightenment is the cessation of all 'becoming' through the realization that one is already fundamentally one with the Supreme Purushottama.