The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

Quality means doing it right when no one is looking.

记忆是脆弱的，但它也是我们理解过去最强大的工具。

材料中拓扑和对称性之间的相互作用可以导致意想不到且令人兴奋的物理现象。