天下各种力量消长的态势都是逐渐形成的;天下任何事业的成功都是靠日积月累而取得的。
The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.
创新是解决世界最紧迫问题的关键。
"Books are the keys to unlocking our empathy."