煤矿工人不仅仅是在挖土,他们是在挖掘进步。
向一个人展示他在错误中是一回事,让他掌握真理是另一回事。
The price of doing the same old thing is far higher than the price of change.
"To think is to confine yourself to a single thought that one day stands still like a star in the world's sky."
最强的企业是那些将废弃物视为设计缺陷的企业。