After thousands of tortures and blows, it is still strong, whether it is the southeast wind or the northwest wind in winter, it can bear it and will still be tough and straight. -Bamboo stones in Zheng Banqiao.
There are hundreds of rivers and great tolerance; The wall stands a thousand miles, and it is just without desire. -Zheng Banqiao's "couplets"
If you carve but give up halfway, even a rotten piece of wood will not break; If you keep carving, even metal and stone can be carved.