Real Number Family History

The completed tetralogy has more than one million words in total. Through the ups and downs of a family, it records the six hundred years of China. In the first part, some people know right and some know wrong, but the right people cannot convince the wrong people, and they fail; in the second part, everyone knows what to do is right, but no one does it right, and they fail; in the third part, there is no accurate distinction between right and wrong; in the fourth part, some people know right, some know wrong, the right people convince the wrong people, and the wrong people know their mistakes and can change them, and finally succeed.