1. The idiom of "practicing hard":

Forgetting sleep and food, hearing the chickens dancing, stabbing the buttocks from hanging beams, chiseling through walls to steal the light, lying down on firewood and tasting courage.

2. The famous saying of "practice hard":

1. Diligent study is like a seedling rising in spring, but it will not grow with each passing day. Dropping out of school is like a sharpening stone. If you don't see the damage, you will suffer losses every day. ——Tao Yuanming

2. Geniuses are the most powerful cows. They work non-stop for eighteen hours a day. ——Renan

3. Nothing is difficult in the world, as long as you are willing to climb. ——Mao Zedong

4. If you are diligent with your eyes, hands and brain in your studies, you can become a learned person. ——Wu Han

5. Idleness is like sour vinegar, which softens the calcium of the spirit; diligence is like fire and wine, which can burn the flame of wisdom. ——Proverb

6. Seeking quick results without working hard will only lead to arrogance for a short time and embarrassment for old age. ——Zheng Banqiao

7. Whoever works as hard as me will be as successful as me. ——Mozart

8. I have never seen a diligent, cautious and honest person who gets up early complaining about his bad fate; good character, good habits, and strong will will not be defeated by the so-called fate. . ——Franklin

9. The determining factor of becoming a genius should be diligence. …There is a direct proportion to the amount of hard work and study. ——Guo Moruo

10. If you work hard for a day, you can get a good night's sleep; if you work hard for a lifetime, you can get a happy sleep. ——Leonardo Da Vinci

11. No one will become a wise man because of knowledge. Knowledge may be acquired through hard work, but wit and wisdom come from laziness rather than talent. ——John Selden

12. Diligence should be measured by the work done. ——Xu Wei

13. The so-called genius refers to a person with perseverance, a diligent person, a fascinated person and a selfless person. ——Kimura Kuichi

14. The progress of a country depends on everyone’s diligence, hard work, and improvement, just as the decline of a country depends on everyone’s laziness, selfishness, and depravity. ——Smaltz

15. Selected enumerations, knowledge obtained through hard work, and thousands of books in the window. Three winters are enough for today, who laughs at being empty? ——Xin Qiji