世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。

I don't think about my legacy. I'm just doing what I love.

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. And that, of course, causes great confusion.

The beauty of science is that it allows us to explore the unknown and make discoveries that can change the world.