不是我们选择的道路，而是我们内心的东西决定了我们的命运。

The earth gives us its treasures, but it's our duty to give back more than we take.

There is no limit on better. Talent is distributed unfairly， but there is no limit on how much we can improve what we start with.

因果推断不仅仅是统计显著性；它关乎理解数字背后的机制。