我们需要的书是那些能读懂我们的书。

煤炭的可持续未来取决于我们能否在不牺牲依赖该行业的人的生计的情况下整合更清洁的做法。

A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.

生命不过是两段深不可测的寂静之间的喧嚣。

A good algorithm is like a good story: it has a clear beginning, middle, and end.

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.