被爱的欲望也许是我们所有虚荣心中最根深蒂固的。
The desire to be loved is perhaps the most deeply rooted of all our vanity.
You must be the change you wish to see in the world.
我们要做的是让中国宝宝喝上世界级的好奶粉。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The idea is to make something that looks like something else.