Matsya Purana — Account of the Manvantaras: Manus
कृत्वा धर्मव्यवस्थानं प्रयान्ति परमं पदम् सावर्ण्यस्य प्रवक्ष्यामि मनोर्भावि तथान्तरम् //
kṛtvā dharmavyavasthānaṃ prayānti paramaṃ padam sāvarṇyasya pravakṣyāmi manorbhāvi tathāntaram //
Having established the proper order of dharma, they attain the supreme state. Now I shall expound the Manvantara of Sāvarṇi, and likewise the future succession of the Manus.
It points to the post-cosmic-cycle restoration of order: after dharma is re-established in an epoch, the righteous attain the highest state, and the narrative moves to the next Manvantara (Sāvarṇi), a hallmark of Purāṇic cyclic time surrounding pralaya and renewal.
The verse foregrounds dharma-vyavasthā—setting society in right order—which is a core royal duty (rājadharma) and also a householder ideal through lawful conduct; such dharmic stabilization is presented as a cause for attaining the supreme good.
No direct Vāstu or iconographic rule is stated; the ritual takeaway is broader—properly instituting dharma (including rites and social-religious norms) is treated as spiritually elevating and as the preface to discussing the next cosmic administration (Manvantara).