Sarvadarshanasangraha 16.76

16.76

na caiteṣāṃ svarūpaparatve prayojanam asti/ śrutavedāntārthasyāpi puṃsaḥ sāṃsārikadharmāṇām anivṛtteḥ/ tasmād vedāntānām apy ātmā jñātavya iti samāmnātena vidhinaikavākyatām āśritya kāryaparataivāśrayaṇīyeti siddham/ tataś ca kevalasiddharūpe brahmaṇi vedāntānāṃ prāmāṇyaṃ na sidhyatīti cet/

Nor is there any purpose in these [texts] being directed toward an entity's own form; for even in a person who has heard the meaning of Vedānta, worldly attributes do not cease. Therefore, it is established that, relying on syntactic unity with the injunction handed down in tradition that “The self is to be known,” a purport directed toward action must be adopted even for the Vedāntas. And consequently, the epistemic validity of the Vedāntas regarding Brahman, which is an entirely established entity, is not established—if this is urged: