Skandapurana 1.3.29.69

1.3.29.69

jñānaṃ jñeyaṃ jñānagamyaṃ jñātvā ca parigīyate..
kathaṃ kena ca jñātavyaṃ kiṃ tadvaktuṃ vivakṣitam.. 31.69 ..

Knowledge, the object of knowledge, and that which is reachable through knowledge, having been known, are praised. / How, and by whom is it to be known? What is intended to be said about it? (31.69)