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

6. Doing every simple thing well is not simple, doing every ordinary thing well is extraordinary. ——Zhang Ruimin

7. In the end, you can become whatever you believe. Because the two most terrifying words in the world are persistence and seriousness. Serious people change themselves, and persistent people change their destiny. ——Jiang Nanchun

8. You can become a learned person by being diligent with your eyes, hands and brain in your studies. ——Wu Han

9. Nothing is difficult in the world, as long as you are willing to climb. ——Mao Zedong

10. Wherever there is genius, I spend all the time others spend drinking coffee on work. ——Lu Xun

11. No one will become a wise man because of knowledge. Knowledge may be acquired through hard work, but wit and wisdom come from laziness rather than talent. ——John Selden

12. Without double diligence, there will be neither talent nor genius. ——Mendeleev

13. Do complex things simply. Simple things should be done seriously. Serious things need to be done repeatedly. Do repetitive things creatively. ——Anonymous

14. Not hearing is worse than hearing it, hearing it is worse than seeing it, seeing it is worse than knowing it, knowing it is worse than doing it, and learning stops when you practice it. ——Xun Kuang

15. There is no intelligence without enthusiasm, nor is there enthusiasm without knowledge. If there is no diligence, there is no combination of enthusiasm and talent. ——Joseph