I don't let the world change my smile.

I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!

创新不仅仅是创造新事物；而是让现有的变得更好。

In science, the most exciting phrase is not 'Eureka!' but 'That's funny...'

The more we learn about black holes, the more we realize how much we still don’t know.

I don't play for the records, I play because I love the game.