If Haoli does not cut, he will use axe
It's a metaphor for the fact that if we don't pay attention to the disaster at the beginning, it will be very difficult to eliminate it after it causes a serious disaster.
Source: biographies of Su and Qin in historical records: "the book of Zhou says:" it's endless, what can it do? If you don't fight, you will use the axe. If you don't think about it, there will be great trouble. What will happen? "
If Haoli does not cut, he will use axe
adequate supply of foodstuffs and means of defense - zú shí zú bīng
take unnecessary pains to study an insignificant problem - zuān niú jiǎo jiān