First, what is mathematics:

Mathematics is a subject that studies the concepts of quantity, structure, change, space and information.

In a way, it belongs to a formal science.

In the development of human history and social life, mathematics also plays an irreplaceable role, and it is also an indispensable basic tool for studying and studying modern science and technology.

Second, the famous sayings about the content of mathematical manuscripts:

1. Only with the vigorous development of mathematics can a country show its national strength. The development and perfection of mathematics are closely related to the prosperity of the country. Napoleon

Any branch of mathematics, no matter how abstract, will be applied to the real world one day. Lobachevsky?

3. Half of the proofs are equal to 0. One gauss

4. Pursue that goal in the best time of my life ... The book has been written. It doesn't matter whether modern people read it or future generations read it. Maybe.

It will take a hundred years to get readers. Kepler

5. History makes people wise, poetry makes them elegant, mathematics makes them noble, natural philosophy makes them profound, morality makes them steady, and ethical rhetoric makes them able to contend. A piece of bacon

6. Philosophers should also learn mathematics, because he must jump out of the vast phenomenon and grasp the real essence. ... because this is

A shortcut to make the soul transition to truth and eternity. Plato