"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

Consciousness is a fundamental feature of the universe, like space and time.

We see each building as a gift to the city.

I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.

阅读的行为是对世界喧嚣的一种反抗。

最令人兴奋的突破往往来自意想不到的地方。