采矿效率不仅仅是成本问题，更是减少环境影响的问题。

"The more you try to understand, the less you know."

心理学唯一有效的数据是可观察的行为。

Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.

当我接近一个孩子时，他激发了我两种情感：对他现在的温柔，以及对他可能成为的尊重。

伟大的哲学家是那些在我们思考世界及我们在其中的位置的方式上有所作为的人。

"The best way to learn is by doing, by getting out there and making films."