The process of discovery in mathematics is often more important than the result itself.

Words have no power to impress the mind without the exquisite horror of their reality.

你不能戴着丝绒手套搞革命。

出自汉·桓宽《盐铁论·疾贪》。欲，想。表，仪表，这句话指身体。下，指下属。先之身，先要求自己。要想影子正，就要先把自己的身子站直；要想下属清廉，自己要先做出表率。这句话以正影先正身为喻，说明正人先正己的道理。

The past is always there, but it's not the only thing that's there.

我在这里是为了给世界带来欢乐，并帮助全世界的儿童。