白首为郎

Explanation: Although the old order and to lament not met. 　　Source: "The story of Emperor" contains: Emperor try to Lang Department, see Lang Guan Yan Si, "to be coming from Haobai, clothing is not the whole." Emperor Wu asked him: "When the Lang?" Replied: "when the Emperor Lang." Emperor Wu asked why the "old but not met?" He replied: "Good Emperor Wen and Chen martial arts, good old emperor and the minister was small, few and minister of His Majesty has been good old III is not met. 　　Examples: Lung Chi Chen was interested in solitary pairs, ~ only hurt themselves. ★ Lu Song "History books do Hospital" Poetry