One lesson that every nation can learn from China is to focus more on creating village-level enterprises, quality health services and educational facilities.
Never stop fighting until you arrive at your destined place - that is, the unique you. Have an aim in life, continuously acquire knowledge, work hard, and have perseverance to realise the great life.
We have not invaded anyone. We have not conquered anyone. We have not grabbed their land, their culture, their history and tried to enforce our way of life on them.