How did Mozi stop a siege?
墨守成规 mò shǒu chéng guī · cling to old rules; resist change
A belt and wooden slips stopped an invasion, and Mozi's name for holding firm later turned into an idiom for clinging to old rules.
墨守成规 mò shǒu chéng guī · cling to old rules; resist change
A belt and wooden slips stopped an invasion, and Mozi's name for holding firm later turned into an idiom for clinging to old rules.