Life is hard work and no gain. -Zhang Heng
Diligence is good at diligence, barren is good at playing; What I did was thought, but it was destroyed. -Han Yu
A person's value should be judged by his contribution, not by his achievements. -Einstein
If you don't work hard, you will seek quick results. In the end, you will only praise for a few days, which is always embarrassing. zhen banqiao