Do you often laugh at yourself as "old"?

What exactly does it mean to be "old"?

Recently, 86-year-old academician Zhong Nanshan said when communicating with young medical workers that people are really old only when they don’t want to learn new things!

According to Mr. Zhong's standard, are you "old at a young age"?

Learn new knowledge and keep improving yourself, and you will never be "old".

  Every day, we will hand-paint a sketch of positive energy, everyone will pass the positive energy together ↓↓↓