He is said to be a qualified master of the Vedas who is conversant with what gratifies one whose stomach is empty, which pleases one who is angry, and which invigorates one whose limbs are dry.
येन तृप्यत्यभुञ्जानो येन तृप्यत्यवित्तवान्। येनोस्नेहो बलं धत्ते यस्तं वेद स वेदवित्॥