There are many meanings ~!
1. Learning is endless;
2. there is no end to learning;
Only one computer course is enough for you to study all your life. Even if you think you have learned well, you will find some details that need to be updated in the process of continuing to explore;
4. Pay attention to "Excellence" and learn better when you are good;
None of the theories inferred by scientists in the world is completely correct, and science is constantly developing. Aren't many problems that couldn't be realized before realized now?
So it's never too old to learn.
Brother: Your idea is very good. I wish you a generation of scholars.