阅读未见过的书，如结识好朋友，情意和洽；重读已看过的书，如老朋友相晤，叙旧联谊。

过去并没有死去；它甚至还没有过去。

Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.

The true journey is not about seeing new landscapes, but about having new eyes.

预测未来的最好方法就是创造未来。