Sarvadarshanasangraha 1.23

1.23

nanu pāralaukikasukhābhāve bahuvittavyayaśarīrāyāsasādhye ´gnihotrādau vidyāvṛddhāḥ kathaṃ pravartiṣyanta iti cet tad api na pramāṇakoṭiṃ praveṣṭum īṣṭe/ anṛtavyāghātapunaruktadoṣair dūṣitatayā vaidikaṃmanyaiṛ eva dhūrtabakaiḥ parasparaṃ karmakāṇḍaprāmāṇyavādibhir jñānakāṇḍasya jñānakāṇḍaprāmāṇyavādibhiḥ karmakāṇḍasya ca pratikṣiptatvena trayyā dhūrtapralāpamātratvenāgnihotrāder jīvikāmātraprayojanatvāt/ tathā cābhāṇakaḥ:

If you object that, if there be no such thing as happiness in a future world, then how should men of experienced wisdom engage in the agnihotra and other sacrifices, which can only be performed with great expenditure of money and bodily fatigue, your objection cannot be accepted as any proof to the contrary, since the agnihotra, &c., are only useful as means of livelihood, for the Veda is tainted by the three faults of untruth, self-contradiction, and tautology;[5] then again the impostors who call themselves Vaidic pundits are mutually destructive, as the authority of the jñāna-kāṇḍa is overthrown by those who maintain that of the karma-kāṇḍa, while those who maintain the authority of the jñāna-kāṇḍa reject that of the karma-kāṇḍa; and lastly, the three Vedas themselves are only the incoherent rhapsodies of knaves, and to this effect runs the popular saying—