2. "Dare to do subtraction in learning is to subtract what the predecessors have solved and see what problems have not been solved, which needs us to explore and solve." -Hua
3. "Genius = 1% inspiration +99% sweat." Edison
4. "Take some time to think about what you did in a day, whether it was' plus sign' or' minus sign'. If it is'+',you will make progress; If it is'-',you have to learn from it and take measures. " Dimitrov
5. "Einstein, the greatest scientist in modern times, wrote a formula when talking about the secret of success: a = x+y+z Y+Z. He explained that A stands for success, X stands for hard work, Y stands for the correct method, and Z stands for less empty talk." -Einstein
6. "In the world of mathematics, what matters is not what we know, but how we know it." Pythagoras
7. "A science can only be truly perfect if it successfully applies mathematics." Marx
8. "The scientific level of a country can be measured by the mathematics it consumes."-Rao
9. "Mathematics-an unshakable cornerstone of science and a rich source of promoting human progress."-Barrow
10. "The God in charge of Mount Olympus is an eternal number."-jacoby
1 1. "Throw them into ice water and let them learn to swim by themselves, or drown. Many students will not try to do it by themselves until they have mastered everything that others have done related to their problems. As a result, only a few people have developed the habit of working independently. " -E.T. Bell