2. The sharp edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.
3. It's always spring after bitter experience.
4. After all the hardships, the garden will be full of flowers and colorful flowers.
5. Therefore, if Heaven is going to demote him to a great post, he must first suffer his mind, work his bones and muscles, starve his body and skin, be empty of his body, and do whatever he does, so be patient and gain what he can't do.
6. After a hard day's work, you can get a good night's sleep; If you work hard all your life, you will have a happy sleep-Da Vinci
7. Only when you have tasted bitterness will you cherish sweetness more-Turgenev
8. I will mount a long wind some day and break the heavy waves, and set my cloudy sail straight and bridge the deep, deep sea. -Li Bai's it is hard to go
9. There is no way out when there is no doubt, and there is another village.