If we were to select the most intelligent, imaginative, energetic, and emotionally stable third of mankind, all races would be present.
如果我们挑选出人类中最聪明、最具想象力、最精力充沛且情绪最稳定的三分之一,所有种族都会包含其中。
采矿创新不是可选的——它对生存和发展至关重要。
"Education never ends, Watson. It is a series of lessons, with the greatest for the last."
社会系统是个人与个人之间、群体与群体之间关系的网络。