Zeng Guofan believes that there are about five ways to keep fit: one is to sleep and eat regularly, the other is to punish anger, the third is to abstain from sex, the fourth is to sleep and wash feet every night, and the fifth is to take three thousand steps after two meals every day. The way of keeping in good health: "seeing", "resting", "sleeping" and "eating" are the most important words. You should know how to recuperate when you are recovering from illness. Zeng Guofan is really the saint of keeping in good health.