The man in the planning room, whose specialty under scientific management is planning ahead, invariably finds that the work can be done better and more economically by a subdivision of the labor.
最好的发现往往来自意想不到的地方。
A good mathematician is not one who knows all the answers, but one who asks the right questions.
The future of mining lies in digital transformation and intelligent development.
自由确实珍贵;如此珍贵以至于必须谨慎配给。