Matsya Purana — The Advent of Narasiṃha and Hiraṇyakaśipu’s Weapon-Assault
ब्रह्मा देवः पशुपतिर् ललाटस्था भ्रमन्ति वै स्थावराणि च सर्वाणि जङ्गमानि तथैव च //
brahmā devaḥ paśupatir lalāṭasthā bhramanti vai sthāvarāṇi ca sarvāṇi jaṅgamāni tathaiva ca //
Brahmā, the divine Lord Paśupati, and the beings abiding at (his) forehead—indeed all stationary things and all moving creatures alike—begin to reel and whirl about.
It uses Pralaya-like imagery: when a cosmic force manifests, both the immovable (sthāvara) and movable (jaṅgama) realms lose stability and ‘reel,’ signaling universal disturbance rather than a local event.
Indirectly, it underscores impermanence and cosmic dependence: rulers and householders should uphold dharma and humility, recognizing that worldly order can be overturned by higher cosmic powers.
No direct Vāstu or ritual rule is stated; however, the verse’s theme of cosmic ‘stability vs. instability’ is often invoked in ritual framing to emphasize establishing steadiness (śānti) through worship of the divine lord.