做出伟大工作的唯一方法就是热爱你所做的事。

Psychology must be based on facts, not hypotheses.

If we don’t do something now, the world our children inherit will be much poorer than the one we were given.

"You never really understand a person until you consider things from his point of view."

采矿技术的创新不是可选项，而是决定采掘业未来的生命线。