annam aśitaṃ tredhā vidhīyate |
tasya yaḥ sthaviṣṭho dhātus tat purīṣaṃ bhavati |
yo madhyamas tan māṃsam |
yo ’ṇiṣṭhas tan manaḥ ||

annamaśitaṃ bhuktaṃ tredhā vidhīyate jāṭharemāgninā pacyamānaṃ tridhā vibhajyate | kathaṃ, tasyānnasya tridhā vidhīyamānasya yaḥ sthaviṣṭhaḥ sthūlatamo dhātuḥ sthūlatamaṃ vastu vibhaktasya sthūloṃ’śastatpurīṣaṃ bhavati | yo madhyamoṃ’śo dhāturannasya tadrasādikrameṇa pariṇamya māṃsaṃ bhavati yo ’ṇiṣṭho ’ṇutamo dhātuḥ sa ūrdhvaṃ hṛdayaṃ prāpya sūkṣmāsu hitākhyāsu nāḍīpvanupravisya vāgādikaraṇasaṅghātasya sthitimutpādayanmano bhavati manorūpeṇa vipariṇamanmanasa upacayaṃ karoti | tataścānnopacitatvānmanaso bhautikatvameva na vaiśeṣikatantroktalakṣaṇaṃ nityaṃ niravayaṃ ceti gṛhyate | yadapi mano ’sya daivaṃ cakṣuriti vakṣyati tadapi na nityatvāpekṣayā kiṃ tarhi sūkṣmavyavahitaviprakṛṣṭādisarvendriyaviṣayavyāpakatvāpekṣayā | yaccānyendriyaviṣayāpekṣayā nityatvaṃ tadapyāpekṣikameveti vakṣyāmaḥ | sadekamevādvitīyamiti śruteḥ || 1 ||