We must not always talk in the market-place of what happens to us in the forest.
我们不必总是在市场上谈论我们在森林里发生的事情。
"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."
一个理论的优雅不仅在于其数学表述，还在于其在一个统一框架下连接不同现象的能力。