Matsya Purana 182.4

182.4

ābhūtasamplavaṃ yāvat sthāṇu bhūtasthitaḥ prabhuḥ.
guhyānāṃ paramaṃ guhyamavimuktamiti smṛtam .. 182.4 ..

Svâmi Kârtika said:—"The soul of all, the Eternal Lord Mahâdeva, the High Soul remains in his terrible form, rare to the Devas and Danavas, at Avimukta like a pillar, motionless and stable, till pralaya. This is the most mysterious place—3 4