一个人不仅可以通过他的行为对他人造成伤害，也可以通过他的不作为对他人造成伤害，无论哪种情况，他都应对他们负有道义责任。
70岁，我才刚刚开始。等着瞧吧。
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.
The night is a liar, but the dawn tells the truth.
