I met lots of midle aged people taking courses in college and I feel sad that they say even they get a job in the early 40, they still have 25 years to work. But what you can do other than doing a labour if you don't go to school.
I don't think 机遇只垂青部分有准备的人.
When I was 40, I entered university. When I was 42, I got my Canadian bacholer degree - computer science and three months later I got a IT job. It was 2004.
每一份付出就会有一份收获。但重要的是做你喜欢做的事。只有是你感兴趣的事,你才有可能坚持去做,才永远不会感到boring, 也就一定会有收获。
Good luck, everybody!