城市的穷人就像树的根；看不见，但对它的生命至关重要。

应对未来的唯一方法就是现在高效地运作。

Productivity metrics that ignore environmental impact are accounting tricks, not real progress.

我不相信运气，我相信准备遇到机会。

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.

"The truth is not always beautiful, but the search for it is."

你停止尝试的那一刻，就是你开始失败的那一刻。