The most exciting moments in mathematics are when you see connections between things that seemed unrelated before.
数学中最激动人心的时刻是当你看到以前似乎不相关的事物之间的联系时。
The greatest threat to our forests is not logging, but indifference.
Be prepared: When you are 90% done any large project (a house， a film， an event， an app) the rest of the myriad details will take a second 90% to complete.
让我们清楚一点：只是限制广告不健康的食物是不够的。增加对健康食品的'营销也很关键。