One of my most productive days was throwing away 1000 lines of code.

最重要的教育原则是不要爱惜时间，要浪费时间。

成功不在于金钱，而在于幸福和满足感。

We are all obsessed with conspiracies, but we are also obsessed with the idea that there is a conspiracy behind everything.

煤炭的未来在于可持续和负责任的采矿实践。