2. Mathematics is the king of science.

3. Start with the simplest.

Mathematics is an infinite science.

5. Problem is the core of mathematics.

6. God is a mathematician.

Imagination is more important than knowledge.

8. Mathematics is more than just solving problems.

9. Mathematics is symbol plus logic.

10, less is better than less.

1 1, where there are numbers, there is beauty.

12, thinking begins with doubt and surprise.

13, the more detached a mathematician is, the better.

14, beauty is contained in volume and order.

15, mathematics is gymnastics to exercise the mind.