Vaishnavakhanda 7.6

Vaiṣṇavakhaṇḍa 7.6

dravyaṃ maṃtrādikaṃ sarvaṃ havyaṃ kavyaṃ ca yanmayam || vinā tena kṛtaṃ
sarvamapavitraṃ bhaviṣyati