安全感就是能在小汽车的后座上睡觉。小时候，爸妈开车带你出门，到了晚上，你不知不觉在后座上睡着了……你啥都不用担心，爸妈就在前座上，他们负责忧虑一切……但是这样的时间很短暂，一不小心你就变成了那个坐在前面的成年人，而成年人永远失去了在后座睡觉的权利。
The study of L-functions is a window into the hidden structure of numbers.
循环经济不仅对地球有益，而且是好的商业实践。
Following your bliss is a recipe for paralysis if you don’t know what you are passionate about. A better motto for most youth is “master something， anything”. Through mastery of one thing， you can drift towards extensions of that mastery that bring you more joy， and eventually discover where your bliss is.