When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.

人的时间和空间都是有限的。移除、放弃、扔掉生活里那些不再能激发愉悦的东西，为那些能激发快乐的新事物腾出空间。

写作是狗一样的生活，但却是唯一值得过的生活。

The only thing you absolutely have to know is the location of the library.

And if you take Warren Buffett and watched him with a time clock, I would say half of all the time he spends is sitting on his ass and reading. And a big chunk of the rest of the time is spent talking one on one either on the telephone or personally with highly gifted people whom he trusts and who trust him. In other words, it looks quite academic, all this worldly success.

"Writing is a way of thinking, a way of understanding the world."