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。

互联网是人类建造的第一个人类自己都不理解的东西，是我们有史以来最大的无政府状态实验。

The worst thing in the world that can happen to you if you’re an engineer that has given his life to develop something is for someone to just rip it off.

The real challenge is not just to collect data, but to make sense of it.

要真正了解世界，深入观察你自己的存在；要真正了解自己，对世界产生真正的兴趣。