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.

释义：高大的泰山，如果背对也会看不见；细毛的末端，如果仔细去看也能看清。

In the depth of the valley is the road to salvation.

每本书都是通往另一个世界的门，等待着好奇的心灵去开启。