One who acquires a knowledge of the Vedas, of that which is taught by the Vedas, and the details of acts, is said to be conversant with the Vedas. Any other man is only a bag of wind.
वेदांश्च वेदितव्यं च विदित्वा च यथास्थितिम्। एवं वेदविदित्याहुरतोऽन्यो वातरेचकः॥