真相是，过去是我们所拥有的一切。我们无法改变它，但我们可以从中学习。
The truth is, the past is all we have. We can't change it, but we can learn from it.
The state is the most important institution in human society because it is the only one that can legitimately use force to maintain order.
We are stubborn on vision. We are flexible on details.
Success comes from persistence and hard work.
NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。
The future of energy lies in balancing traditional resources with renewable alternatives.