The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

物理学中的发现之旅不仅仅是寻找答案，更是提出正确的问题。

创新的关键不仅在于发现，还在于将该发现应用于现实世界的问题。