P与NP问题是计算机科学中最重要的未解决问题之一。
人类的选择在于自由和幸福之间,而对于大多数人来说,幸福更好。
I don’t believe in regrets. Everything happens for a reason.
I think it's important to be able to take yourself lightly.
Don't go around saying the world owes you a living. The world owes you nothing. It was here first.