{
  "verse_id": "8.18",
  "mūla": {
    "devanāgarī": "अव्यक्ताद् व्यक्तयः सर्वाः प्रभवन्त्य् अहर्-आगमे | रात्र्य्-आगमे प्रलीयन्ते तत्रैवाव्यक्त-संज्ञके",
    "iast": "avyaktād vyaktayaḥ sarvāḥ prabhavanty ahar-āgame | rātry-āgame pralīyante tatraivāvyakta-saṃjñake",
    "chapter_position": "Chapter 8 (Akṣara-Brahma-Yoga (The Yoga of the Imperishable Brahman)), verse 18",
    "speaker": "Krishna",
    "addressed_to": "Arjuna"
  },
  "word_by_word": [
    {
      "surface_form": "avyaktāt",
      "lemma": "avyakta",
      "grammar": "ablative neuter singular noun",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "अव्यक्तात्"
    },
    {
      "surface_form": "vyaktayaḥ",
      "lemma": "vyakti",
      "grammar": "nominative feminine plural noun",
      "senses_attested_in_panel": [
        {
          "sense": "व्यज्यन्त इति व्यक्तयः स्थावरजङ्गमलक्षणाः सर्वाः प्रजाः प्रभवन्ति अभिव्यज्यन्ते अह्नः आगमः अहरागमः तस्मिन् अहरागमे काले",
          "school": "advaita",
          "weight": 0.8,
          "witnesses": [
            "shankara"
          ]
        },
        {
          "sense": "चतुर्मुखदेहावस्थाद् अव्यक्तात् प्रभवन्ति",
          "school": "viśiṣṭādvaita",
          "weight": 0.8,
          "witnesses": [
            "ramanuja",
            "vedantadeshika"
          ]
        }
      ],
      "theme_lists": [],
      "surface_devanagari": "व्यक्तयः"
    },
    {
      "surface_form": "sarvāḥ",
      "lemma": "sarva",
      "grammar": "nominative feminine plural noun",
      "senses_attested_in_panel": [
        {
          "sense": "प्रजाः प्रभवन्ति अभिव्यज्यन्ते अह्नः आगमः अहरागमः तस्मिन् अहरागमे काले ब्रह्मणः प्रबोधकाले",
          "school": "advaita",
          "weight": 0.8,
          "witnesses": [
            "shankara"
          ]
        },
        {
          "sense": "[8।18] इत्युक्तेः। उक्तं च महाकौर्मेअनेकयुगपर्यन्तं महाविष्णोस्तथा निशा। रात्र्यादौ लीयते सर्वमहरादौ तु जायते इति च।यः",
          "school": "dvaita",
          "weight": 0.8,
          "witnesses": [
            "madhva"
          ]
        }
      ],
      "theme_lists": [],
      "surface_devanagari": "सर्वाः"
    },
    {
      "surface_form": "prabhavanti",
      "lemma": "pra-√bhū",
      "grammar": "present indicative 3rd person plural verb",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "प्रभवन्ति"
    },
    {
      "surface_form": "ahar",
      "lemma": "ahar",
      "grammar": "compound (compound member)",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "अहर्"
    },
    {
      "surface_form": "āgame",
      "lemma": "āgama",
      "grammar": "locative masculine singular noun",
      "senses_attested_in_panel": [
        {
          "sense": "अव्यक्ताद्व्यक्तयः प्रभवन्ति यां",
          "school": "bhakti",
          "weight": 0.8,
          "witnesses": [
            "sridhara"
          ]
        }
      ],
      "theme_lists": [],
      "surface_devanagari": "आगमे"
    },
    {
      "surface_form": "rātri",
      "lemma": "rātri",
      "grammar": "compound (compound member)",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "रात्रि"
    },
    {
      "surface_form": "āgame",
      "lemma": "āgama",
      "grammar": "locative masculine singular noun",
      "senses_attested_in_panel": [
        {
          "sense": "अव्यक्ताद्व्यक्तयः प्रभवन्ति यां",
          "school": "bhakti",
          "weight": 0.8,
          "witnesses": [
            "sridhara"
          ]
        }
      ],
      "theme_lists": [],
      "surface_devanagari": "आगमे"
    },
    {
      "surface_form": "pralīyante",
      "lemma": "pra-√lī",
      "grammar": "present indicative 3rd person plural verb",
      "senses_attested_in_panel": [
        {
          "sense": "सर्वाः व्यक्तयः तत्रैव पूर्वोक्ते अव्यक्तसंज्ञके",
          "school": "advaita",
          "weight": 0.8,
          "witnesses": [
            "shankara"
          ]
        },
        {
          "sense": "तिरोभवन्ति",
          "school": "śuddhādvaita",
          "weight": 0.8,
          "witnesses": [
            "vallabha"
          ]
        },
        {
          "sense": "तिरोभवन्ति यत आविर्भूतास्तत्रैवाव्यक्तसंज्ञके कारणे प्रागुक्ते स्वापावस्थे प्रजापतौ",
          "school": "advaita-bhakti",
          "weight": 0.8,
          "witnesses": [
            "madhusudan"
          ]
        }
      ],
      "theme_lists": [],
      "surface_devanagari": "प्रलीयन्ते"
    },
    {
      "surface_form": "tatra",
      "lemma": "tatra",
      "grammar": "",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "तत्र"
    },
    {
      "surface_form": "eva",
      "lemma": "eva",
      "grammar": "",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "एव"
    },
    {
      "surface_form": "avyakta",
      "lemma": "avyakta",
      "grammar": "compound (compound member)",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "अव्यक्त"
    },
    {
      "surface_form": "saṃjñake",
      "lemma": "saṃjñaka",
      "grammar": "locative masculine singular noun",
      "senses_attested_in_panel": [],
      "theme_lists": [],
      "surface_devanagari": "संज्ञके"
    }
  ],
  "intertextual_panel": [
    {
      "verse": "9.18",
      "type": "cross-chapter thematic parallel",
      "score": 0.8635,
      "feature_breakdown": {
        "cosine": 0.8435,
        "theme_graph": 2.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "12.3",
      "type": "cross-chapter thematic parallel",
      "score": 0.8611,
      "feature_breakdown": {
        "cosine": 0.8408,
        "theme_graph": 1.0,
        "vocative": 0.0,
        "substring": 0.0516,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "8.19",
      "type": "next-verse continuation",
      "score": 0.8571,
      "feature_breakdown": {
        "cosine": 0.8471,
        "theme_graph": 1.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "13.16",
      "type": "cross-chapter thematic parallel",
      "score": 0.856,
      "feature_breakdown": {
        "cosine": 0.846,
        "theme_graph": 1.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "12.5",
      "type": "cross-chapter thematic parallel",
      "score": 0.8555,
      "feature_breakdown": {
        "cosine": 0.8337,
        "theme_graph": 1.0,
        "vocative": 0.0,
        "substring": 0.0589,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "6.24",
      "type": "cross-chapter thematic parallel",
      "score": 0.8537,
      "feature_breakdown": {
        "cosine": 0.8437,
        "theme_graph": 1.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "7.6",
      "type": "cross-chapter thematic parallel",
      "score": 0.8517,
      "feature_breakdown": {
        "cosine": 0.8317,
        "theme_graph": 2.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    },
    {
      "verse": "2.55",
      "type": "semantic neighbor",
      "score": 0.8506,
      "feature_breakdown": {
        "cosine": 0.8506,
        "theme_graph": 0.0,
        "vocative": 0.0,
        "substring": 0.0,
        "lemma_overlap": 0.0,
        "stem_prefix": 0.0
      }
    }
  ],
  "doctrinal_projections": {
    "advaita": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "shankara_8.18",
        "anandgiri_8.18"
      ],
      "score": 0.5,
      "english_rendering": "From the unmanifest (avyakta) — the deep-sleep state (svāpāvasthā) of Brahmā — all manifest forms (vyaktayaḥ), movable and immovable, arise at the dawn of his day. At nightfall they dissolve back into that same avyakta. Śaṅkara reads this verse as a vairāgya-inducer: the bound creature (bhūtagrāma), driven helplessly by karma-āśaya rooted in ignorance (avidyā), cycles through appearance and disappearance — an argument for exhaustion of saṃsāra, not celebration of it.",
      "divergence_note": "Śaṅkara explicitly: avyaktaṃ prajāpateḥ svāpāvasthā — avyakta is Brahmā's sleep-state, not primordial matter. Purpose stated: akṛtābhyāgama-kṛtavipraṇāśa-doṣa-parihārārtham — to preclude the errors of uncaused result and loss of performed acts, and to induce vairāgya."
    },
    "viśiṣṭādvaita": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "ramanuja_8.18",
        "vedantadeshika_8.18"
      ],
      "score": 0.5,
      "english_rendering": "At Brahmā's dawn, all manifest forms within the three worlds — bodies, sense-organs, enjoyable objects and their enjoyment-grounds — emerge from the avyakta that is Brahmā's own body in its unmanifest condition. At nightfall they re-merge into that same specific state of avyakta, which is Brahmā's body, not an undifferentiated substrate. The individual modes (viśeṣas) of Bhagavān's body-soul complex never cease to exist as real; they merely shift between expressed and contracted modes.",
      "divergence_note": "Rāmānuja: dehendriya-bhogya-bhogasthāna-rūpā vyaktayaḥ caturmukha-dehāvasthād avyaktāt prabhavanti — manifest forms are enjoyment-grounds and sense-organs emerging from Brahmā's embodied unmanifest state. The locus is Brahmā's four-faced body, not featureless Brahman."
    },
    "dvaita": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "madhva_8.18",
        "jayatirtha_8.18"
      ],
      "score": 0.5,
      "english_rendering": "This verse belongs to a continuous demonstration (8.17–8.19) that reaching Mahāviṣṇu means no return: by showing the dvipara-ārdha mahāpralaya — the cosmic dissolution that exhausts even Brahmā's night — Kṛṣṇa establishes that all lower lokas, including Brahmaloka, lie within the cycle. The Mahākaurma-purāṇa confirms: at Mahāviṣṇu's night all dissolves; at his day all arises. The jīva, eternally and essentially distinct from Hari, has no independent power here; emergence and dissolution are Hari's sovereign act (avyakta-ākhya-ātma-sāmarthya).",
      "divergence_note": "Madhva treats 8.17–8.19 as a block (sāmarthya-darśana) and specifies dvipara-ārdha-pralaya as the intended dissolution. He cites Mahākaurma: anekayuga-paryantaṃ mahāviṣṇos tathā niśā."
    },
    "śuddhādvaita": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "vallabha_8.18"
      ],
      "score": 0.5,
      "english_rendering": "The avyakta here is the akṣara-ātmaka Parameṣṭhi-puruṣa — the collective-ground (samaṣṭi-mūla) together with his own prakṛti — from whom individual jīvas (cetanas) who were lying latent (anuśayita) in Brahman receive their individual bodies (vyaṣṭis), wombs, and worlds at dawn. At night those same individuals do not truly perish; they undergo tirodhāna — a concealment, not an annihilation — re-entering the akṣara. All manifestation is Kṛṣṇa's own āvirbhāva and tirobhāva: the jīvas emerge by divine will (daivecchayā) and are hidden again by the same will.",
      "divergence_note": "Vallabha: akṣarātmakat tata udbhūtāt parameṣṭhi-puruṣāt samaṣṭi-mūlabhūtāt tat-prakṛty-anvitāt daivecchayā nirākārāṇāṃ cetanānāṃ jīvānāṃ brahmaṇy-anuśayitānāṃ vyaktayo vyaṣṭayo dehādyā yonayo lokāś ca prabhavanti; laya = tirodhāna not destruction."
    },
    "bhakti": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "sridhara_8.18"
      ],
      "score": 0.5,
      "english_rendering": "The avyakta is the causal (kāraṇa) form of the effect (kārya): that unmanifest causal state from which all moving and unmoving beings are expressed (abhivyajyante) at Brahmā's dawn. Śrīdhara adds a second anvaya: those who truly know day-and-night (te ahorātravida) are the measure — what they recognize as Brahmā's day is when vyaktayaḥ arise; what they call his night is when dissolution occurs. The verse thus rewards those with right cosmological knowledge, not everyone who counts days.",
      "divergence_note": "Śrīdhara: kāryasyāvyaktaṃ rūpaṃ kāraṇātmakaṃ tasmād avyaktāt kāraṇarūpāt vyajyante abhivyajyanta iti vyaktayaḥ. Second reading: te ahorātravida iti na vidhīyate kiṃtu te prasiddhā ahorātravido janā — the knowing ones are the reference class."
    },
    "advaita-bhakti": {
      "reading_summary": "(reading summary extraction pending; ENABLE_READING_SUMMARIES=true to generate)",
      "key_cross_references": [],
      "witness_passages": [
        "madhusudan_8.18"
      ],
      "score": 0.5,
      "english_rendering": "Brahmā's full lifespan is 100 years measured by these very days and nights — he is time-bounded (kāla-paricchinna) and therefore impermanent; return from his realm is logically unavoidable. Madhusūdana insists avyakta here is not the primordial un-deployed (avyākṛta) state but precisely Brahmā's sleep-state (svāpāvasthā): at dawn (prabodha-samaya) bodies, sense-objects, and enjoyment-realms become functionally manifest (vyavahāra-kṣamatayā abhivyajyante); at sleep they lapse back into that causal Brahmā. The purpose is to sustain vairāgya toward everything up to Brahmaloka while channeling aspiration toward Kṛṣṇa alone.",
      "divergence_note": "Madhusūdana: avyakta-śabdenāvyākṛtāvasthā nocyate kiṃtu prajāpateḥ svāpāvasthā eva; vyaktayaḥ = śarīra-viṣayādi-rūpā bhoga-bhūmayaḥ; purpose = vairāgya sustaining upward aspiration toward Kṛṣṇa."
    }
  },
  "prosodic_information": {
    "meter": "anuṣṭubh",
    "meter_shift_from_previous": false,
    "meter_shift_to_next": false,
    "pragmatic_context": {
      "vocative": "",
      "preceding_question": "",
      "following_response": ""
    }
  },
  "theme_list_memberships": [
    {
      "list": "अव्यक्त",
      "role": "supporting",
      "other_verses_in_list": [
        "1.1",
        "2.25",
        "2.28",
        "7.24",
        "8.21",
        "9.4",
        "12.1",
        "12.3",
        "12.5",
        "13.5"
      ]
    },
    {
      "list": "प्रभव",
      "role": "supporting",
      "other_verses_in_list": [
        "6.24",
        "7.6",
        "8.19",
        "9.16",
        "9.17",
        "9.18",
        "10.2",
        "10.8",
        "13.16",
        "16.9",
        "18.41"
      ]
    },
    {
      "list": "प्रलय",
      "role": "supporting",
      "other_verses_in_list": [
        "7.6",
        "9.16",
        "9.17",
        "9.18",
        "14.2",
        "14.14",
        "14.15",
        "16.11"
      ]
    },
    {
      "list": "मूर्तयः",
      "role": "supporting",
      "other_verses_in_list": [
        "14.4"
      ]
    }
  ],
  "audit_trail": {
    "substrate_version": "v2.6-frozen",
    "fitted_weights": {
      "a": 1.0,
      "b": 0.01,
      "e_v": 0.005,
      "z": 0.2,
      "h": 0.0,
      "th": 0.01
    },
    "corpus_provenance": {
      "mūla": "Belvalkar critical edition (BORI 1947), via Ambuda multi-witness",
      "panel_witnesses": [
        "bg-mula",
        "bg-shankara",
        "bg-ramanuja",
        "bg-madhva",
        "bg-vedantadeshika",
        "bg-vallabha",
        "bg-jayatirtha",
        "bg-anandgiri",
        "bg-sridhara",
        "bg-madhusudan"
      ]
    },
    "extraction_date": "2026-04-21",
    "score_methodology_documented_at": "Paper 1, Section II.B",
    "word_by_word_parser": "ByT5-Sanskrit-multitask (Nehrdich/Hellwig/Keutzer EMNLP 2024)",
    "post_generation_repairs": [
      {
        "date": "2026-05-03",
        "fix": "verb-lemma-misidentification (broader heuristic: prefix-√root canonical for all verb-tagged tokens)",
        "scope": "word_by_word[].lemma",
        "loci": [
          "prabhavanti: prabhū -> pra-√bhū",
          "pralīyante: pralī -> pra-√lī"
        ]
      }
    ]
  },
  "so_what_questions": [
    "If every manifest form — including your body, your relationships, your achievements — is simply Brahmā's dream that dissolves at his nightfall, what in your present life is you clinging to as permanent that this verse asks you to release?",
    "Śaṅkara and Madhusūdana agree the verse induces vairāgya; Vallabha sees tirodhāna (concealment) rather than destruction. Does it matter practically whether the jīva is annihilated or merely hidden — and why does Vallabha insist on the difference?",
    "Madhva restricts avyakta to Mahāviṣṇu's sovereign power, not an impersonal substrate. How does locating dissolution in a personal God change the moral weight of impermanence compared to Śaṅkara's impersonal sleep-state reading?",
    "Rāmānuja specifies that bodies, sense-organs, and enjoyment-grounds (bhogya-bhogasthāna) are what manifest and dissolve. Does his list suggest that the suffering encoded in saṃsāra is primarily about mistaking enjoyment-structures for the real — and if so, what changes when you see your body as Bhagavān's temporarily expressed mode?",
    "Śrīdhara's second reading privileges those who know (ahorātravida) — the knowing ones are the measure. Is cosmological knowledge a prerequisite for liberation, or is the verse saying something narrower: that you cannot navigate time without knowing whose time it is?",
    "If every lower loka — Brahmaloka included — falls within this cycle (Madhva's dvipara-ārdha argument), what does it mean that even the highest achievable heavenly realm is still inside the dissolution? Where is the exit, and what does BG 8.20–21 add?",
    "Vallabha calls the emergence daivecchayā (by divine will) and the dissolution tirodhāna. If your own arising and apparent disappearance are acts of Kṛṣṇa's will — not mechanical entropy — does that change how you relate to your own birth and eventual death?"
  ],
  "everyday_applications": {
    "advaita": "Before reacting to a loss — job, relationship, health — pause and name it as a vyakti dissolving back into avyakta. Śaṅkara's vairāgya-intent: not to grieve less through suppression but to see the dissolution as structurally expected, freeing attention for inquiry (vicāra) into what was never born in the first place.",
    "viśiṣṭādvaita": "Treat your body and your daily sensory world as Bhagavān's temporarily expressed body-mode, not your possession. Rāmānuja's framing — bodies and enjoyment-grounds as Brahmā's embodied modes — maps to a practice: before each meal or activity, briefly acknowledge that what you are about to enjoy is lent from within Bhagavān's own self-expression, not earned private property.",
    "dvaita": "When a plan or project collapses, resist the urge to rebuild immediately from ego-momentum. Madhva's reading: dissolution is Hari's sovereign act, not your failure. The discipline is to stop, acknowledge Hari's agency in the contraction, and re-enter action only as dependent kainkarya — Hari's instrument, not the architect.",
    "śuddhādvaita": "When a loved one dies or a cherished form disappears, Vallabha's tirodhāna reading offers a specific reframe: they have not been annihilated but concealed — returned to the akṣara ground by Kṛṣṇa's will. The grief practice is to turn toward Kṛṣṇa (the concealer) rather than the absence, trusting the āvirbhāva-tirobhāva rhythm as his ongoing līlā.",
    "bhakti": "Develop cosmological literacy as a devotional act. Śrīdhara's ahorātravida — the knowing ones — are those who can correctly name whose day and night they are living inside. Practically: study the Purāṇic time-scales not as mythology but as calibration, so that your sense of urgency and your sense of patience are correctly sized to the actual scale of what is at stake.",
    "advaita-bhakti": "Use the verse as a two-step morning practice. Step one: recall that even Brahmaloka dissolves — nothing in the experiential universe, however refined, is the destination. Step two: redirect the freed aspiration toward Kṛṣṇa specifically, not toward a formless void. Madhusūdana's synthesis means vairāgya is not the terminus; it is the clearing that makes bhakti possible."
  },
  "primary_meaning": "At Brahmā's dawn, all beings pour forth from the unmanifest; at his nightfall, they dissolve back into it again."
}
