1. If you are sloppy in small things, then you must also be a sloppy person in big things and throughout your life. ——Li Yifei
2. Doing things seriously means doing things right. Only doing things with heart can get things done. ——Li Suli
3. Earnestness is the secret of success, and carelessness is the companion of failure. ——Europe
4. Serious people only make mistakes once. ——Arab
5. Anything worth doing is worth doing well. ——UK