"History is not just what happened, but what people thought and felt about it."

Hope is a good thing, maybe the best of things, and no good thing ever dies.

"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."

在科学领域，我们必须准备好接受我们最珍视的理论有一天可能会被取代。

真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。