When making friends, try to make friends with people who are better than yourself, so that you can get more help and inspiration. If there is no better friend than yourself, it is better not to make friends. Even if you get along for a few days, it doesn't mean you really know each other. Sometimes it's easy to misunderstand when you get along for a long time, so be as humble and respectful as when you first meet. This sentence emphasizes the importance of making friends and reminds people to choose carefully when making friends, and not to make friends with untrustworthy people easily.