我是你活着的原因，我是你生存的原因。
Efficiency in mining comes from continuous improvement, not just big breakthroughs.
The only thing that is certain is uncertainty.
当你在一生中做某事做得最好时，你真的不想放弃——对我来说就是网球。
True irreverence is disrespect for another man's god.
我喜欢挑战自己。
To be without some of the things you want is an indispensable part of happiness.