Literature is the art of turning pain into beauty.

NP完全性的概念为理解问题的复杂性提供了一个强大的工具。

Natural experiments are a powerful tool for understanding causal relationships in the real world.

Quality is the lifeline of an enterprise. Without quality, there is no future.

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

The beauty of filmmaking is that it's a collaborative art form. You get to work with so many talented people, and together, you create something that is greater than the sum of its parts.