1, give me five coefficients, and I will draw an elephant; Give me six coefficients and the elephant will wag its tail. -Cauchy

2. What gives me happiness is not knowing knowledge, but learning constantly; Not what you already have, but what you keep getting; Not the height that has been reached, but the constant climbing. Gauss

3. We find that every new group is mathematical in form, because we can't have other guidance. -Darwin

Pure mathematics is a magician's real wand. Novalis

Mathematics is an infinite science. Herman Weil

6. Mathematics has made an important contribution to observing nature. It explains the simple primitive elements in the regular structure, with which celestial bodies are built. Kepler

7. Some beautiful theorems in mathematics have such characteristics: they are easy to be summarized from facts, but the proof is extremely hidden. Gauss

8. The incomparable eternity and omnipotence of mathematics, as well as its independence in time and cultural background, are the direct consequences of its essence. -Ebou

9. Mathematics is the key to science. bacon