Matsya Purana — Hiranyakashipu’s Boons
ततः शमदमाभ्यां च ब्रह्मचर्येण चैव हि ब्रह्मा प्रीतो ऽभवत्तस्य तपसा नियमेन च //
tataḥ śamadamābhyāṃ ca brahmacaryeṇa caiva hi brahmā prīto 'bhavattasya tapasā niyamena ca //
Thereafter, through tranquillity and self-restraint, and indeed through the observance of brahmacarya, Brahmā became pleased with him—by his austerity and by his disciplined observances.
This verse does not describe Pralaya directly; it emphasizes the ethical-ascetic causes (śama, dama, brahmacarya, tapas, niyama) by which a seeker gains Brahmā’s satisfaction—often a prerequisite in Purāṇas for receiving boons, knowledge, or cosmic teachings.
It frames rulership and household life around inner governance: śama (calm) and dama (restraint) support just decision-making, while niyama (disciplined observances) and controlled conduct (brahmacarya as continence/self-regulation) are presented as virtues that earn divine approval.
No explicit Vastu or temple rule appears here; the ritual takeaway is that tapas and niyama—regular vows, purity, and disciplined practice—are portrayed as the inner ‘qualification’ that makes rites and spiritual undertakings fruitful.