1. Focus, love, and concentrate on what you want, and you will definitely gain something. ——Emerson

2. Human thinking is amazing. As long as you focus on a certain cause, you will definitely achieve results that surprise you. ——Mark Twain

3. Only by concentrating on learning can you get twice the result with half the effort. ——Cai Yuanpei

4. Those who persistently pursue and get the greatest happiness from it are the successful ones. ——Thoreau

5. Mencius said: “Today’s game is about numbers, decimals; if you don’t concentrate on it, you won’t be able to do it.” ——"Mencius·Gaozi 1"

Translation: Mencius said: "Playing chess is just a small skill. If you don't devote yourself to it, you can't learn it."

6. Science is very jealous, and science only treats the highest. Grace is given to those who devote themselves wholeheartedly to science. ——Feuerbach

7. 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