The following is an extract from an online article: Human nature was an eternal theme, and no matter how the times changed, the nature of human beings remained the same. The good and evil in human nature was one of the most obvious manifestations. Sometimes, the kindness in human nature would make you feel extremely good, and sometimes, the evil in human nature would make you feel extremely painful. However, no matter how good or evil human nature is, human beings can always be saved. As long as we can realize our mistakes and work hard to correct them, we can become better people. This passage emphasized the good and evil in human nature and the determination of human beings to correct their mistakes. It tells us that we can become better as long as we are aware of our shortcomings and work hard to correct them. This kind of thinking could also be applied to all kinds of fields, whether in life or at work. It could play a positive role.