1, making mistakes is not expensive, but correcting them is more expensive. -Wang Shouren's "Dogma Showing Dragon Field Life" 2. People won't do anything unless they make mistakes. -Britain 3. The correct result comes from a lot of mistakes; Without a lot of mistakes, we will not be able to climb to the top of the final correct result. -Qian Xuesen 4. If you have, you will be afraid. If you are not good, you will be afraid. -"Mandarin" and "Mandarin Chu Yu Xia" 5. The relationship between error and truth is just like the relationship between sleep and sobriety. When a person wakes up from his mistakes, he will move towards the truth with new strength. -Goethe 6. Never be ashamed of admitting mistakes, because admitting mistakes can also mean that you are smarter today. Rome seven. When a child realizes that he not only has the right to uphold the truth, but also makes mistakes, he has grown into an adult. -Thomas Sass 8. Mistakes are inevitable, but don't repeat them. -Selected Works of Zhou Enlai