Who decides my future

The image of Teacher Yao, who was a teacher in his early 20s and turned into his 60s, is still in obscurity and popularizing aerospace science as he slowly ages. It reminds people of the millennium song "The spring silkworms will die when the old silkworms are old, and the wax torches will turn to ashes before the tears dry up." For example, the parents of sick students went from insisting that their children pass the "sea of questions tactic" to get into medical school, to lying in bed with the disease, saying that their sons must work hard to complete rocket manufacturing...