生命中最美好的东西都是免费的。显然，我们最宝贵的资源是时间。
My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.
作品越是个人化，就越具有普遍性。
"Education is not just about filling minds with facts, but about lighting the fire of curiosity and critical thinking."
The beauty of theoretical computer science lies in its ability to abstract and generalize, turning specific problems into universal truths.