★ Be diligent all your life and get something for nothing-Zhang Heng

★ Indulge in hard work and waste it on play, and follow it with quick thinking-Han Yu

Genius is the endless ability to work hard-Carlyle

★ Cleverness comes from diligence, and genius lies in accumulation-Hua

★ A scholar who is eager to learn and does not ask questions frequently.

★ There is a road to diligence in Shushan, and there is no limit to learning the sea.

★ After a hard day, you can have a good sleep; If you work hard all your life, you will sleep happily-Leonardo da Vinci (Italy)

★ Diligence should be the decisive factor in the formation of genius-Guo Moruo

★ The human brain is like limbs. If you use it too much, you will be smart. It's useless if you don't use it. -Mao Yisheng

Do you want to be a happy person? I hope you learn to suffer first-Turgenev.