Matsya Purana — Characteristics of Dvāpara and Kali Yugas
अराजके युगांशे तु संक्षये समुपस्थिते प्रजास्ता वै तदा सर्वाः परस्परभयार्दिताः //
arājake yugāṃśe tu saṃkṣaye samupasthite prajāstā vai tadā sarvāḥ parasparabhayārditāḥ //
When the age declines and the time of kinglessness arrives, then indeed all the people are afflicted by fear of one another.
It points to a moral-social “decline” (saṃkṣaya) within the yuga: when lawful rule collapses, society enters a state of mutual fear—an ethical dissolution rather than a cosmic flood-pralaya.
It underlines the king’s core duty: removing mutual fear by enforcing dharma, protecting subjects, and maintaining order; for householders, it implies supporting lawful authority and social norms that prevent chaos.
No direct vastu or ritual rule is stated; the takeaway is contextual—stable kingship is presented as the enabling condition for public rites, temple patronage, and orderly civic life.