大音希声

Explanation: "I": "Great Music sound, invisible elephant." Bi Note: "do not listen to the famous saying hope, not to hear the sound also. Sound the morality is not partakers house and carry on business. Points can not be the public system, so there are not great sound but also sound. "original meaning cited Lvhui Qing Wei said:" Music and Greece as well as sound, like the invisible, Name and often, if the opposite were also, What, then cover hidden in the implementation of Road no carry on. " means the largest and most beautiful voice but no 　　Source: "I" Great Music sound, invisible elephant. "Note to listen to the Wang Bi said Greece is not known, not to hear the sound also. Sound the morality is not partakers house and carry on business. Sub-system is not public, so the sound are not great sound also."