Matsya Purana — Brahmā’s Four Faces, Shloka 30
सावित्रीं लोकसृष्ट्यर्थे हृदि कृत्वा समास्थितः ततः संजपतस् तस्य भित्वा देहम् अकल्मषम् //
sāvitrīṃ lokasṛṣṭyarthe hṛdi kṛtvā samāsthitaḥ tataḥ saṃjapatas tasya bhitvā deham akalmaṣam //
諸世界創造のため、彼はサーヴィトリー（聖なるガーヤトリー）を心中に安置してそれに没入した。かくして絶えず誦持するうち、穢れなく罪なき身体が彼より顕現した。
FAQs
It presents creation (sarga) as arising from inner concentration and mantra-power: by establishing Sāvitrī in the heart and performing japa, a pure, untainted manifestation emerges—implying that ordered creation proceeds from sacred vibration and purity rather than from random material causes.
Indirectly, it models disciplined inner practice: steady focus, purity, and regular japa are portrayed as generative forces. For a king or householder in the Matsya Purana’s ethical spirit, self-governance and daily mantra-discipline support righteous action and the ‘creation’ of social order.
Ritually, it underscores Sāvitrī/Gāyatrī-japa as a foundational practice for sanctification. In later Vastu/temple contexts, such mantra-centered purity functions as the spiritual prerequisite for consecration (śuddhi) before building, installing, or performing major rites.