Matsya Purana — Agastya’s Origin
पर्यायेण तु सर्वेषाम् आधिपत्यं कथं भवेत् इह लोके शुभं रूपम् आयुः सौभाग्यमेव च लक्ष्मीश्च विपुला नाथ कथं स्यात्पुरसूदन //
paryāyeṇa tu sarveṣām ādhipatyaṃ kathaṃ bhavet iha loke śubhaṃ rūpam āyuḥ saubhāgyameva ca lakṣmīśca vipulā nātha kathaṃ syātpurasūdana //
How, in due order, can sovereignty come to all? And in this world, O Lord—O slayer of cities—how may one obtain auspicious beauty, long life, good fortune, and abundant Lakṣmī (prosperity)?
This verse does not describe Pralaya directly; it is a petition to Lord Matsya/Vishnu about worldly welfare—sovereignty, auspicious qualities, longevity, and prosperity.
It frames prosperity as something to be learned through dharma: Manu asks how rulership and well-being arise for people, setting up teachings on right conduct, merit, and governance that sustain fortune.
No explicit Vāstu or temple-architecture rule appears in this verse; it functions as an introductory question that can lead into prescriptive dharmic or ritual means for attaining auspiciousness and Lakṣmī.