As follows:

1. Pure mathematics is the magician’s real magic wand. ——Novales

2. Some beautiful theorems in mathematics have this characteristic: they are easily summarized from the facts, but the proofs are extremely hidden. ——Gauss

3. Mathematics governs the universe. ——Pythagoras

4. Mathematics is a tool of knowledge and the source of other knowledge tools. All sciences that deal with order and measurement are related to mathematics. ——Descartes

5. Mathematics is a rational spirit that enables human thinking to be used to the most perfect degree. ——Klein

6. Mathematics is a culture that will continue to evolve. —— Wilder