Shiva Purana
एतस्मिन्नेव समये श्रुता वागशरीरिणी ॥ व्योम्नो महाद्भुता विप्रास्तामेव शृणुतादरात् ॥ ३४ ॥
Then a celestial unembodied voice was heard from the sky. It was wonderful. O brahmins, listen to that devotedly.
english translation
etasminneva samaye zrutA vAgazarIriNI ॥ vyomno mahAdbhutA viprAstAmeva zRNutAdarAt ॥ 34 ॥
hk transliteration by Sanscript