我们必须不仅仅以利润来衡量成功，还要以影响力来衡量。

I don’t think that when people grow up, they will become more broad-minded and can accept everything. Conversely, I think it’s a selecting process, knowing what’s the most important and what’s the lest. And then be a simple man.

Your time is limited, so don't waste it living someone else's life.

"Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence."

每个矿工的贡献对于保持灯火通明至关重要。

好人是那个，无论他以前有多么道德上不值得，都在努力变得更好的人。