What are the down-to-earth examples, down-to-earth celebrity examples?

Cai Lun of the Eastern Han Dynasty was sent to the palace as a eunuch when he was a child because his family was too poor to live. He had never read a book before, so the old eunuch felt sorry for him and told him that being a eunuch should be educated, so that he could get close to the emperor and be reused. So he is eager to study under the guidance of the old eunuch. Cai Lun was born in a working people's family. He attaches great importance to practice. When studying, he also chose books that are easy to practice, such as iron-striking, silk reeling and spinning hemp. After reading it, he had to practice it himself.

He sometimes goes to the blacksmith's workshop to swing a few hammers; Sometimes I go to the textile workshop to reel silk and spin hemp. Cai Lun works very hard, so he can learn everything well and do it well. Seeing that Cai Lun was clever, diligent and reliable, the emperor promoted him and ordered him to make palace supplies. Cai Lun saw that all the books at that time were written in bamboo slips and wooden slips, which were very heavy. Even the memorial letter given by the minister to the emperor is a bundle of bamboo slips or wooden slips, and each letter weighs dozens of pounds, so it is very difficult to read. Although there was paper at that time, it was still rough and not suitable for writing.

Cai Lun believes that if paper is improved to be light, thin and white, it can be used for writing. He picked up silk, hemp and other scraps from the textile workshop and added rags, broken fishing nets and bark as raw materials for experiments. If an experiment fails, do it again. After many experiments, he finally succeeded in making paper suitable for writing. Cai Lun made great contributions to improving papermaking technology, and the emperor named him Long Houting.

The paper he made is called "Cai Hou Paper". Cai Lun studied hard from an illiterate who had never read a book. He not only read a book, but also became an expert in improving papermaking technology through practice, making great contributions to cultural development.

2.edison

Edison spent ten years researching and developing storage batteries, and he gritted his teeth all the time. After about 50 thousand experiments, we finally succeeded in inventing the storage battery and were awarded the reputation of "the king of invention"

Step 3 be possessed

Dickens, a famous British writer, usually pays great attention to observing and experiencing life. No matter whether it is windy or rainy, he insists on going to the streets to observe and listen every day, recording the odds and ends of pedestrians and accumulating rich living materials. In this way, he wrote a wonderful description of dialogue between characters in david copperfield and left a vivid description of social background in A Tale of Two Cities, thus becoming a generation of English writers and achieving great success in his literary career.

4.da Vinci

Leonardo da vinci, a famous painter in Renaissance Europe, loved painting since he was a child. His father sent him to Florence, a famous Italian city at that time, to learn from the famous painter Fo Rocchio. The teacher asked him to start by drawing eggs. He painted for more than ten days. Seeing that he was a little impatient, the teacher said to him, "Don't think it's easy to draw an egg, you know, no two eggs in 1000 are exactly the same;" Even the same egg, as long as the shape is different from another angle, the oval outline of the egg will be different. Therefore, if you want to express it perfectly on drawing paper, you have to work hard. "From then on, Leonardo da Vinci devoted himself to studying sketches, and after a long period of hard and diligent artistic practice, he finally created many immortal paintings.

5. Sima Qian

Sima Qian dabbled in group books when he was a teenager in the Western Han Dynasty, determined to inherit his father's business. Just when the Historical Records he wrote was progressing smoothly, he was jailed because of the "Liling Incident". In the face of this great shame, he did not sigh and sink, but forge ahead, and he was "quiet and angry." After decades of grievances, he finally wrote Historical Records, which is a "one-family statement" and will be handed down to future generations.