The past is never dead. It's not even past.
Coal mining is a partnership between the earth and human ingenuity.
要解决复杂的问题，我们必须首先理解产生这些问题的系统。
Diversity isn't just a buzzword; it's a business imperative.
遵循天道，顺应地理，万物皆得其所。所以，抚慰他就安宁，折腾他就痛苦。尊崇他就可以为将领，贬斥则为俘虏。
剑鞘保护剑的锋利，自己却满足於它自己的迟钝。