Princes have a hard time learning. They will go to the study at 4 am and eat the "fast food" sent by the guards at noon until 6 pm. Kangxi went to check it twice a day, asked the emperor to endorse it, and the teacher had to write a book. Kangxi doesn't need it, just listening can find faults; The prince learned archery in riding and shooting class, and Kangxi personally took the stage to demonstrate. He shot three arrows in a row, and all the arrows hit the bull's-eye, which made the ministers dissatisfied. Now some parents let their children do their homework and watch TV by themselves. How can we convince children? Therefore, education should set an example.