First, exercise physical fitness. After studying hard at the cold window for ten years, the scholar's physique is weak, just to strengthen his exercise.
Second, the will has been honed. The army is a melting pot, which helps to exercise the will and turn it into steel.
Third, being able to be literate and martial is conducive to a person's growth.
Fourth, serve the country with knowledge, contribute what you have learned to national defense, protect the country and defend the country, and make life more valuable.