Bhagavatapurana 7.15.56

7.15.56

ya ete pitṛdevānāmayane vedanirmite /
śāstreṇa cakṣuṣā veda janastho 'pi na muhyati //

56. Even that man who distinctly knows of these two paths of Pitris and the gods made known by the Vedas, through the eye of

Sastra, does not become deluded though he is still in this body.