城市是人类最伟大的发明。

物理学的美丽不仅在于它提供的答案，还在于它揭示的奥秘。

The whole is different from the sum of its parts.

The key to credible causal inference is not just the method, but how well the method fits the question at hand.

Technology will be the bridge between traditional energy and a cleaner future.

"I think that my job is to observe people and the world, and not to judge them. I always hope to position myself away from so-called conclusions."