Manava Dharmashastra 3.137

3.137

pitṛyajñamityārabhya pañcaviṃśatimātrāḥ ślokā atikrāntāstatraitāvānartho'bhihitaḥ | amāvāsyāyāṃ śrāddhaṃ kartavyam | śrotriyo vidvān sādhucaraṇaḥ prakhyātābhijanaḥ śrotriyāpatyaṃ asambandhī bhojanīyaḥ | pariśiṣṭaṃ sarvamarthavādārtham |
eṣo'nantaroktaḥ prathamo mukhyaḥ kalpo vidhiḥ, śrāddhe yadasambandhine dīyate | ayaṃ tu vakṣyamāṇo'nukalpo jñeyaḥ | mukhyābhāve yo'nuṣṭhīyate pratinidhinyāyena so'nukalpa ucyate |
sadetyādi stutyarthaḥ |

‘Everlasting,’—i.e., it does not cease, and then appears again; it remains there always.—(146)