在商业中，如果你不前进，你就在落后。

采矿效率不仅仅是速度；而是用更少的浪费做更多的事。

"Memory is a strange thing. It doesn't work as I thought it did. We are so foolishly constructed that we go through life arm in arm with our earliest memories, thinking they are the most recent."

教师不应该像往空容器里倒知识那样教学，而应该像点燃火焰那样教学。

即使在最黑暗的时刻，只要记得点亮灯光，就能找到幸福。