kāmamithyāsamācāraprāṇihiṃsādilakṣaṇāḥ / asabhyāstu kriyā yena vacasā samprakāśitāḥ // tadbhujaṅgapiśācādipraṇītam iti śaṅkyate /
Those [texts] which are characterized by [references to] sensuality, misconduct, killing of living beings, and so forth, and by which uncivilized acts are proclaimed through speech—these are suspected to have been composed by serpent-demons, piśācas, and the like.