Shivapurana 7.1.13.9

Śivapurāṇa (complete text) 7.1.13.9

nāpṛṣṭaṃ bhavatā kiñcinnāśrutaṃ ca kathañcana |
bhagavacchiṣyabhūtena bhavatā sakalaṃ smṛtam ||