History makes people wise, poetry witty, mathematics subtle, philosophy deep, morality grave, logic rhetoric able to contend. -bacon
In the field of mathematics, the art of asking questions is more important than the art of answering questions. -Cantor
God created integers, and the rest are man-made. leopold kronecker
For us, the value of mathematical knowledge is not only because it is a powerful tool, but also because mathematics itself is perfect. In the internal or external development of mathematics, we have seen the purest logical thinking activities and the most advanced aesthetic embodiment of wisdom and vitality. -Pringsheim
One reason why mathematics is more respected than all other sciences is that his proposition is absolutely reliable and indisputable, while other sciences are often in danger of being overthrown by newly discovered facts. Another reason why mathematics has a high reputation is that mathematics makes the theorem of natural science reliable. -Einstein
Mathematics is a spirit, a rational spirit. It is this spirit that inspires, promotes, inspires and drives human thinking to the most perfect degree, and it is this spirit that tries to decisively influence human material, moral and social life; Trying to answer questions about human existence; Strive to understand and control nature; Try your best to explore and establish the deepest and most perfect connotation of the knowledge you have learned. Klein
Besides language and music, mathematics is one of the main ways to express the free creativity of human mind, and mathematics has become a medium to understand everything in the universe through theoretical construction. Therefore, mathematics must remain the main component of knowledge, skills and culture, while knowledge and skills must be passed on to the next generation and culture must be passed on to the next generation. -Herman Wey
Mathematics is the king of science. Gauss