The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.
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首先是问题。
人没有礼义就不能生存,事情没有礼义就不能办成,国家没有礼义就不得安宁。
The world is changing, and we must change with it.