Matsya Purana — Pitṛ Worlds
यच्छन्ति पितरः पुष्टिं स्वर्गारोग्यं प्रजाफलम् देवकार्यादपि पुनः पितृकार्यं विशिष्यते //
yacchanti pitaraḥ puṣṭiṃ svargārogyaṃ prajāphalam devakāryādapi punaḥ pitṛkāryaṃ viśiṣyate //
The Pitṛs (ancestral spirits) bestow nourishment and well-being, heaven, freedom from disease, and the blessing of progeny. Therefore, even compared to rites offered to the gods, ancestral rites (pitṛ-kārya) are declared superior.
This verse does not address Pralaya; it teaches ritual-dharma, stating that honoring the Pitṛs through ancestral rites yields tangible worldly and heavenly fruits.
It prioritizes pitṛ-kārya (Śrāddha/Pitṛ-yajña) as a key duty—especially for householders and rulers responsible for upholding dharma—promising prosperity, health, heaven, and continuity of lineage.
The significance is ritual rather than architectural: it elevates ancestral offerings as more efficacious than even deva-rites, emphasizing correct performance of Pitṛ-yajña/Śrāddha for desired results.