Truth is what stands the test of experience.

能量守恒定律不仅仅是一个抽象原则；它是已被无数实验验证的自然法则。

Paper can be permanent if you respect its characteristics and design accordingly.

You have to be willing to fail to succeed.

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。