橘柚生于江南，而民皆甘之于口，味同也；好音生于郑卫，而人皆乐之于耳，声同也。
选自汉·桓宽《盐铁论·相刺》。橘柚生长于江南，各地的人吃起来都有甜的感觉，这是因为大家的味觉是相同的；郑国卫国的音乐，大家都觉得好听，那是因为大家对声音效果的感受是相同的。这句话以吃橘柚的感觉与听音乐的感受为喻，说明是非好坏的标准是客观存在的，人类社会的价值认同大体是相同的。
"The past is never dead; it’s not even past."
The best leaders are those who listen more than they speak.
"The stars are not just points of light, but windows into the past."
The universe is not only stranger than we imagine, it is stranger than we can imagine.
"We need to be insatiable in our desire to learn from the outside and bring that learning into Microsoft."
文明的伟大进步，无论是在建筑、绘画、科学、文学、工业还是农业领域，都从未来自中央集权的政府。
To live is the rarest thing in the world. Most people exist, that is all.