Garbha-sthiti, Deha-pariṇāma, and Vairāgya-upadeśa
Embryonic Condition, Bodily Transformation, and Instruction in Detachment
तदन्नमुष्णतोयेन समन्तात्पच्यते पुनः । द्विधा भवति तत्पक्वं पृथक्किट्टं पृथग्रसः
tadannamuṣṇatoyena samantātpacyate punaḥ | dvidhā bhavati tatpakvaṃ pṛthakkiṭṭaṃ pṛthagrasaḥ
That food, again, is cooked on all sides by the warm fluids within. When it is thus digested, it becomes twofold—separating into waste (impurity) and into nutritive essence (rasa).
Lord Shiva (teaching Umā/Parvati in a philosophical-yogic discourse)
Tattva Level: pasha
Shiva Form: Dakṣiṇāmūrti
Shakti Form: Pārvatī
Role: teaching
Shiva uses digestion as a teaching metaphor: just as food separates into essence and waste, spiritual practice should separate the enduring (sāra) from the impure and transient (mala), aiding the soul’s movement toward clarity and liberation under Pati (Shiva).
Linga-worship emphasizes inner purification and transformation: offering and remembrance refine the devotee’s consciousness, helping the aspirant retain the ‘rasa’ of devotion and discard mental ‘kiṭṭa’ such as distraction, egoism, and impurity—approaching Saguna Shiva as the purifier who leads toward the highest.
A practical takeaway is daily purification and discrimination (viveka): keep disciplined diet and conduct, and pair it with japa of the Panchakshara (Om Namaḥ Śivāya) and meditation to retain what is sattvic and release what is impure—like separating rasa from waste.