In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》

当你负责为家庭提供食物时，每个决定都至关重要。

Efficiency in mining isn't just about speed; it's about doing more with less waste.

情况越糟，扭转局面所需的努力就越小，上升空间就越大。