采矿效率不仅仅是速度;而是用更少的浪费做更多的事。
The most important thing about a theory is that it explains the facts.
Innovation is not a slogan, but a continuous breakthrough in every detail.
The only thing necessary for the triumph of evil is for good men to do nothing.
伟大的领导者倾听多于发言,行动多于计划。