It means that heaven is fair, and evil is rewarded with evil. It seems careless, but in the end, it will not let go of a bad person. Metaphor evil people can't escape the punishment of heaven after all.
2. Wealth and law, poverty and fear. -Song Mei Yao Chen's "Long Songs"
Wealth should not be bound by law, and the poor need not be afraid of law.
3, only serve the law of three feet to win the world. -Tang Wujing's "Zhenguan dignitaries"
Only by obeying strict laws can we rule the people in the world. The three-foot rule is the law. Before paper appeared, the carrier of written records was mainly bamboo slips, but bamboo slips recording different contents had strict definitions. Laws are generally written on three-foot bamboo slips, so the three-foot rule is used as another name for laws in later generations.
Mr. Wang's career can't be measured, but he wants to arrest himself by law. -Tang Han Yu, "To Lutong"
Mr. Wang's career is immeasurable and can only be bound by law.
5. There is no big mistake and no minor punishment. -West Han Fusheng's "Shangshu Dayu Mo"
Translation: forgiveness; Neglect; The general idea of these two sentences is that a temporary mistake can be forgiven, even if it is a big mistake, it will be punished if you knowingly commit it.