从井救人

Explanation: Skip to the well to save. Compared against the original vain while others do not benefit their own behavior. Analogy is more risk to save people. 　　Usage: Contraction type; as predicate; analogy rescue adventure 　　Source: Pre Confucius "The Analects of Confucius Yong": "benevolent, although reports said: 'Well there jen (people) Yan.' From the too?" 　　Examples: Shore to see that, although there are salvage the concept, but interest in feng shui, who will ~. (Ming Feng Meng, "Awaken the common saying" Volume X)