Kātyāyanaḥsūtra

bhagavān nādikāyāṃ viharati guñjakāvasathe |

athāyuṣmān sandhākātyāyano yena bhagavāṃs tenopajagāma | upetya bhagavatpādau śirasā vanditvaikānte ’sthāt | ekāntasthita āyuṣmān sandhākātyāyano bhagavantam idam avocat |

samyagdṛṣṭiḥ samyagdṛṣṭir iti bhadanta ucyate | kiyatā samyagdṛṣṭir bhavati | kiyatā tathāgataḥ samyagdṛṣtiṃ prajñapayamānaḥ prajñapayati |

evam ukto bhagavān āyuṣmantaṃ sandhākātyāyanam idam avocat |

dvayaṃ niśrito ’yaṃ kātyāyana loko yad bhūyasāstitāñ ca niśrito nāstitāñ ca | upadhyupādānavinibaddho ’yaṃ kātyāyana loko yad utāstitāñ ca niśrito nāstitāñ ca | etāni ced upadhyupādānāni cetaso ’dhiṣṭhānābhiniveśānuśayān nopaiti nopādatte nādhitiṣṭhati nābhiniviśaty ātmā meti |

duḥkham idam utpadyamānam utpadyate | duḥkhaṃ nirudhyamānaṃ nirudhyate | atra cen na kāṅkṣati na vicikitsati | aparapratyayaṃ jñānam evāsya bhavati |

iyatā kātyāyana samyagdṛṣṭir bhavati | iyatā tathāgataḥ samyagdṛṣṭiṃ prajñapaymānaḥ prajñapayati |

tat kasmād dhetoḥ | lokasamudayaṃ kātyāyana yathābhūtaṃ samyakprajñayā paśyato yā loke nāstitā sā na bhavati | lokanirodhaṃ yathābhūtaṃ samyakprajñayā paśyato yā loke ’stitā sā na bhavati |

ity etāv ubhāv antāv anupagamya madhyamayā pratipadā tathāgato dharmaṃ deśayati |

yad utāsmin satīdaṃ bhavaty asyotpādād idam utpadyate | yad utāvidyāpratyayāḥ saṃskārā iti pūrvavad yāvat samudayo nirodhaś ca bhavati |

asmin khalu dharmaparyāye bhāṣyamāṇa āyuṣmataḥ sandhākātyāyanasyānu­pād­āyāsravebhyaś cittaṃ vimuktam |