The difference between correlation and causation is not just academic—it can have profound policy implications.

I think a lot about labor and time.

Every ton of coal we extract must create maximum value with minimum environmental impact.

Singing has helped me find inner peace.

我现在所做的一切，都是为了追求更加完美。

Mexico is a country that is always in the process of becoming, never quite arriving.

唯一的出路就是穿过去。

Sometimes the simplest ideas make the best stories.