多行不義必自斃

Etymology
From . had conferred a major city on his brother Gong Shu Duan (共叔段) on the request of their mother. One of his officers were concerned that Gong Shu Duan could become a threat. He gave the following reply (《左傳·隱公元年》):

Proverb

 * 1) The wages of sin is death; He who is unjust is doomed to destruction.