BG 18.70-72
And he who shall study this sacred dialogue of ours, by him I shall be worshipped with the sacrifice of wisdom. Such is My mind. The man also who, full of faith, merely heareth it unreviling, even he, freed from evil, obtaineth the radiant worlds of the righteous. Hath this been heard, O son of Prithâ, with one-pointed mind? Has thy delusion, caused by unwisdom, been destroyed, O Dhananjaya?