Cintāmaṇi-gṛha Antara-kathana (Account of the Inner Chambers of the Cintāmaṇi Palace) — Lalitopākhyāna Context
तत्र नाथामहादेव्या योगशास्त्रप्रवर्त्तकाः / सर्वेषां मन्त्रगुरवः सर्वविद्यामहार्णवाः
tatra nāthāmahādevyā yogaśāstrapravarttakāḥ / sarveṣāṃ mantraguravaḥ sarvavidyāmahārṇavāḥ
There, Nāthā Mahādevī is the one who set the Yoga-śāstra in motion—guru of mantras for all, the vast ocean of every sacred knowledge.