出自先秦《荀子·礼论》。生是人的开始，死是人的终结。开始与终结都做得好，那么他的为人之道就完善了。说明意在劝人行仁行善，要善始善终。
作家的职责是扰乱平静，质疑不可质疑的，并揭示隐藏的。
The worth of a state， in the long run， is the worth of the individuals composing it.
Innovation in quarrying isn't just about new machinery—it's about reimagining our relationship with the land we extract from.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
The best time to plant a tree was 20 years ago; the second-best time is now.