An information by itself is of small value. One who has experience receiving an additional information has the capacity to give a greater value to that information. We often are sorry that the rich becomes richer. The rich are more organised and are capable of benefiting more from a fresh opportunity. For one who has an opinion already, an additional information becomes far more valuable. Music can be better appreciated by lovers of music than by laymen. Information, opinion, attitude, motive are graded instruments of Personality.