2. A strong-willed person can hold the world in his hand and knead it like mud. -Goethe
3. I worked hard all my life and got nothing. -Zhang Heng
4. After a hard day, you can have a good sleep; If you work hard all your life, you can sleep happily. -Leonardo da Vinci
For those who engage in science, diligence is the mother of success! -Mao Yisheng
6. There is no such thing as failure for indomitable people. Bismarck
7. The human brain and limbs are the same. If you use it too much, you will be refreshed, but if you don't use it, it will be useless. -Mao Yisheng
Diligence is the mother of success. -Mao Yisheng