Shivapurana 3.23.18

Śivapurāṇa (complete text) 3.23.18

he viṣṇo he mahābuddhe kathaṃ māṃ jñātavānna hi |
yuddhaṃ kṛtaṃ kṛtaste'dya jñānaṃ sarvaṃ ca vismṛtam ||