Time is a constant, but for diligent people, it is a variable. People who calculate time by "minutes" spend 59 times more time than those who calculate time by "hours". "-Rybakov

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 time to think about what you have done in a day, whether it is' plus sign' or' minus sign'. If it is' plus sign', 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