"The challenge in theoretical computer science is not just to solve problems, but to understand why they are hard to solve."
理论计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们难以解决。
The architect’s role is to enable, not to impose.
百姓如果没有粮食,就不能供君王役使。所以,粮食不可不努力耕种,用度不可不厉行节俭。