1. The game of chess consists of numbers and decimals; if you don’t concentrate on it, you won’t be able to do it.

——Mencius

2. Only by concentrating on learning can you get twice the result with half the effort.

——Cai Yuanpei

3. If you want to be effective in learning, you must concentrate. Learning itself is a hard thing, and only by hard work will there be corresponding gains.

——Gu Chaohao

4. Success in life does not lie in intelligence and opportunities, but in concentration and perseverance.

——Yu Te

5. It is most difficult for a heart to be stable. Sometimes it is chaotic and sometimes wild. It is not easy to concentrate. If you can concentrate, you will be strong.

——Zhang Xiaoxian

6. Concentration is a kind of courage, the courage to decide what should be done and what should be done first.

——Drucker

7. A person who concentrates on thinking is not wasting his time. Although some labor is tangible, there is also a kind of labor that is intangible.

——Hugo

8. A person who has an upright heart and devotes himself to his career will definitely accomplish many things.

——Herzen

9. Rigidity is because they are focused on one goal and have no time to look around.

——Duncan

10. I know that children must be attentive. Neglect is the most terrible danger for children.

——Rousseau

11. It is rare to see someone concentrate on completing a beautiful and legitimate thing. What we usually see are either timid scholars or reckless men who are eager for success.

——Goethe

12. A person cannot ride two horses. If you ride one horse, you will lose the other horse. A wise person will ignore all requests to distract his mind, and only concentrate on learning one subject, and when he learns one subject, he must learn it well.

——Goethe