Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.

对我们星球最大的威胁是相信别人会拯救它。

You have to have confidence in your ability, and then be tough enough to follow through.

译文：在这片疆域之内，有平原、湿地、丘陵和广阔的田野，一眼望去无边无际。

如今你修习先王之术，仰慕圣人之义，诵读诗书，遍览百家之言，不可胜数。甚至还将它们抄写于竹帛上。

我在数学上花费的时间越多，我就越感到兴奋。

"你越是试图逃离，就越是被困住。"

化学之美在于它能解释看不见的事物。