你知道的越多，你能知道的就越多。
The more you know, the more you can know.
Be the change you wish to see.
"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."
最好的电影是那些给观众留下问题而不是答案的电影。
当没有人相信你的时候，你必须相信自己。