世界上真正的悲剧不是正确与错误之间的冲突，而是两种正确之间的冲突。
"You can't win if you don't play."
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
生命是一个成为的过程，是我们必须经历的各种状态的组合。
真正的朋友是那个握住你的手并触动你心灵的人。