我想那会是一场灾难。外星生命很可能遥遥领先于我们。在我们所处的星球上，先进种族遭遇较为原始人类的历史是不幸的，虽然他们属于同一物种。我觉得我们应当保持低调。
I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.
理性预期假说并不意味着人们能完美预测未来；它意味着人们不会犯系统性错误。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
What we do may be small, but it has a huge impact.
民主的未来取决于其提供经济增长和社会正义的能力。
"La memoria es frágil, pero la literatura puede salvarla del olvido."
你读得越多，知道的事情就越多。你学得越多，去的地方就越多。
A man may die, nations may rise and fall, but an idea lives on. Ideas have endurance without death.