Zhang Ning (1402-?) is a native of Southern Zhili. When his mother was in trouble, he sent it to the people's home, leaving his birthday and name. Ning and Ping An hoped that he would stay away from disputes and be peaceful. But what happened was contrary to his wishes, his experience It's not peaceful at all, the right way is: I am a farmer today, and I will go to the Tianzitang tomorrow.