Shloka 30
Matsya Purana — The Episode of Madhu and Kaiṭabha: Gunas
वरं प्रदायाथ महासुराभ्यां सनातनो विश्ववरः सुरोत्तमः रजस्तमोवर्गभवायनौ यमौ ममन्थ तावूरुतलेन वै प्रभुः //
varaṃ pradāyātha mahāsurābhyāṃ sanātano viśvavaraḥ surottamaḥ rajastamovargabhavāyanau yamau mamantha tāvūrutalena vai prabhuḥ //
After granting a boon to those two great Asuras, the Eternal Lord—supreme in the universe and foremost among the gods—then crushed those twin beings, born of the classes of Rajas and Tamas, by striking them with the sole of his thigh.
FAQs
It does not describe Pralaya directly; it emphasizes cosmic governance—how the Supreme restrains forces associated with rajas and tamas to preserve order in the world.
It models a core dharmic principle: even after granting what is due (a boon, reward, or promise), one must still restrain harmful, disruptive power—kings especially must curb rajasic-tamasic aggression to protect social order.
No Vastu or ritual procedure is stated explicitly; the verse is primarily mythic-ethical, using rajas/tamas language to frame the subjugation of destructive forces.