Jīva–Ātman Inquiry; Kṣetrajña Doctrine; Karma-based Varṇa; Four Āśramas and Sannyāsa Discipline
य ऊष्मभाव आग्नेयो वह्निनैवोपलभ्यते । अग्निर्जरयते चैतत्तदा जीवो निरर्थकः ॥ २ ॥
ya ūṣmabhāva āgneyo vahninaivopalabhyate | agnirjarayate caitattadā jīvo nirarthakaḥ || 2 ||
அக்கினி இயல்பான வெப்பநிலை அக்கினியாலேயே அறியப்படுகிறது; அதே அக்கினி இந்த உடலை முதுமை-சிதைவுக்குக் கொண்டு செல்கிறது. ஆகவே ஜீவன் வெப்பமே என்றால், அது அர்த்தமற்றதாகும்.
Sanatkumara (teaching Narada in the Moksha-Dharma dialogue)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bibhatsa
It teaches viveka (discernment): bodily warmth and life-signs belong to the fire-element and are impermanent; therefore liberation requires not mistaking the jīva for a mere bodily function.
By weakening body-identification, it supports pure devotion: when one stops equating the self with perishable heat/prāṇa, the mind can turn toward the eternal Lord as the true refuge beyond the elements.
A basic tattva-viveka aligned with Vedic cosmology: recognizing agni/tejas as the principle behind bodily heat, useful for contemplative analysis (not a ritual instruction, but a practical aid for self-inquiry).