唯一不可能的事情是你没有尝试的事情。
The only thing that is impossible is the thing you don't try.
A book should be an experience, not just something you read.
相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。
"Approximation algorithms are a testament to the power of compromise in achieving practical solutions."
我不是传奇，我只是麦当娜。