1. The essence of mathematics lies in its freedom. -Conrad
2. Mathematics has made an important contribution to the observation of nature. It explains the simple primitive elements in the regular structure, and celestial bodies are built with these primitive elements. -Kepler
3. Mathematical methods permeate and dominate all theoretical branches of natural science. It has increasingly become the main symbol to measure scientific achievements. -von Newman
4. Mathematicians are fascinated by nature. Without fascination, there is no mathematics. -Noeles
5. When mathematicians derive equations and formulas, they are as happy as seeing statues, beautiful scenery and listening to beautiful tunes. -kopuning
6. No problem can touch people's emotions as deeply as infinity, and few other concepts can stimulate reason to produce fruitful thoughts as infinity, but no other concepts can need to be clarified as infinity. -Hilbert
7. Mathematics is the key to science. -bacon
8. Mathematics is symbol plus logic. -Russell
9. Mathematics is a variety of proof skills. -Wittgenstein
1. History makes people wise, poetry makes people elegant, mathematics makes people noble, natural philosophy makes people deep, morality makes people steady, and ethics and rhetoric make people good at arguing. -bacon
11. Mathematics is the queen of science, while number theory is the queen of mathematics. Gauss music can inspire or soothe feelings, painting can make people pleasing to the eye, poetry can touch people's hearts, philosophy can make people gain wisdom, science can improve material life, but mathematics can give all of the above. -Klein
12. Mathematics is the highest achievement in human thinking. -Misra
13. Mathematics is the brightest pearl in the crown of human wisdom. -Kurt
14. Mathematics is the symbol that God describes nature. -Hegel
15. Mathematics is an infinite science. -Herman Weil
16. Mathematics is the theory of studying abstract structures. -Bourbaki School
17. Mathematics is the study of quantitative relations and spatial forms in real life. -Engels
18. Mathematics is the highest form of all knowledge. -Plato
19. Mathematics is an ingenious art. -halmos
2. Mathematics is an evolving culture. -Wilde