The academic performance of international students in China is often much better than that of American students who study together. However, ten years later, the scientific research results are much less than others. The reason is that American students have active thinking, strong hands-on ability and creative spirit. -Yang Zhenning should be good at thinking, thinking and rethinking when learning knowledge. -Einstein We must set ourselves such tasks: first, study, second, study, and third, study. -Lenin's knowledge is bottomless, and there is no hesitation in making progress. -Selecting newspapers is always about learning. When you die, it's time to graduate. -Xiao Chunv It is not difficult to master all the knowledge and knowledge in the world. As long as you study persistently, try to master the rules and reach a familiar position, you can master and use them freely. -Gao Shiqi studies hard and makes progress every day. -Mao Zedong teaching must proceed from the learners' existing experience. Dewey