1. The astronomer Nicolaus Copernicus, the father of the scientific revolution, is the initiator of the Heliocentrism and a priest of the Polish Frauenburg Cathedral. He said that God is "the most outstanding and organized craftsman in the universe". ?

2. Galileo, a mathematician and astrophysicist, is also the father of modern mechanical engineering and experimental physics. He once stood out from the crowd and did not hesitate to offend the Roman Catholic Church and publicly denounced the absurdity of "geocentric theory". Although he was persecuted by the church, he remained a Catholic until his death. He once said: "There are two great works between heaven and earth: the book of nature and the supernatural book-the Bible." ?

3. Johannes Kepler, the father of modern optics, is also an outstanding astronomer and mathematician. His most well-known contribution is called "Kepler's three laws of planetary motion". Kepler is a devout member of lutheranism who loves God. He said that he "always takes God's heart as his heart". ?

4. During the Warring States Period, Su Qin was so tired from studying day and night that he stabbed his leg with an awl to clear his head. Sun Jing of the Han Dynasty tied his hair to the beam with a rope in order to prevent him from falling asleep while studying, and he would be woken up as soon as he fell asleep. This is the story of "stabbing the stock and hanging the beam" in history.

5. Wang Xizhi, a great calligrapher in the Eastern Jin Dynasty, practiced calligraphy hard since childhood. Every time he finished writing, he went to the pond in front of his house to wash his brush. After a long time, a pool of clear water turned into a pool of ink. Later, people called this pond "Mo Chi". Through diligent study and hard practice, Wang Xizhi finally became a famous calligrapher and was called a "book saint".

6. Che Yin, Sun Kang and Kuang Heng in the Jin Dynasty were so poor that they couldn't even afford to buy oil for lighting. In the summer night, Che Yin made a small pocket with gauze, caught some fireflies and put them in, reading by the light of fireflies; Sun Kang sat in the snow on a cold winter night, studying hard with the reflection of snow; Kuang Heng cut a small hole in the wall and "stole" a little light from his neighbor's house to read.