傍观者清

Explanation: Pong: The same "next." Bystander: watching people. The same thing, watching people than parties see a comprehensive and clear. Often associated with "Like father" used in conjunction. Also as a "bystander." 　　Source: "Old Tang Chong Chuan Yuan-line," said the fan, near the outlook will be the trial, without any doubt the application for the column? "