1878, Edison decided to make cheap, durable, safe and convenient electric lights. First, he put the carbon filament in a glass bulb, but it only lit for 8 minutes, so he changed 1600 materials one after another. Once, Edison accidentally thought of burning cotton yarn into charcoal and tried it. Unexpectedly, the life of the light bulb was extended to 45 hours. Although he achieved a little success, Edison continued his research and developed a bamboo light bulb with a life of 1200 hours. Until 1906, Edison switched to tungsten wire, which improved the quality of the light bulb and has been used ever since.
Coincidentally, 1897, Madame Curie studied radioactive substances. In order to extract a radioactive substance unknown to others, she got a ton of industrial waste residue that may contain this substance. Smelting, dissolution, precipitation and analysis are all carried out in the courtyard. After three years and nine months, a new substance named radium was finally extracted from several tons of slag, and this research also won her a Nobel Prize.
Not only that, 16 so did President Lincoln. His success lies in his hard practice of speaking eloquence since he was young. In order to become a lawyer, he often walks 30 miles to a court to listen to lawyers' defense and see how they argue. He imitated politicians and speakers while listening to their impassioned speeches. When you come back, learn from them and practice talking to the Woods and corn again and again. The success of the speech made Lincoln eventually become an eloquent lawyer and finally entered politics.
Edison made the electric light, Madame Curie refined radium, and Lincoln entered politics because of their efforts.
Among celebrities, there are many such examples, which show that as long as you are willing to work hard and persevere, Kung Fu will not live up to your expectations.
Ah, ah, ah, ah, ah, ah, ah, ah.
"Many things grind" is a famous saying, which tells people that nothing can be done as long as they are diligent.
For example, Sun Jing, a Jin Dynasty man, tied a rope to his hair every night and tied the other end to the beam in order not to doze off. Every time his head droops, the rope will wake him up and continue reading after waking up. In this way, he became a celebrity who used a hanging beam to prevent himself from falling asleep. Su Qin, who is also a spy, has been looked down upon by others because he can't be an official in Qin. So he decided to fight for breath. From then on, he studied hard and forgot to eat and sleep. Whenever it's quiet at night, Su Qin is already dizzy and always wants to sleep. He immediately stabbed his thigh with an awl and felt pain, and people woke up. This is Su Qin, a celebrity who stabbed himself to wake himself up. Another example is Kuang Heng in the Western Han Dynasty. His family is poor, but he likes reading very much. However, at night, there was no oil lamp in his house, and a lamp was lit in his neighbor's room, so Kuang Heng dug a hole in the wall and read by the light coming out of the hole. This is the story of "digging a wall to borrow light". There is also the modern Xu Beihong, whose paintings are well-known at home and abroad. When he was young, he inspired himself to learn painting, won glory for our country with his own efforts, and prevented foreigners from looking down on us in China.
You can't do anything half-heartedly, half-heartedly, but you must finish what you started and persevere. Only in this way can we make a difference and make due contributions to the people and society.
As long as you have perseverance, you will succeed one day, just as the saying goes, "many things grind."