丈夫之高华，只在于功名气节；鄙夫之炫耀，但求诸服饰起居。
志士仁人所器重景仰的，是名声、功业、道德、情操；凡夫俗子所追求炫耀的，是服装、饰物、住宅、生活。
真相很少是纯粹的，也绝不简单。
In mathematics, truth is somewhere out there in a place we don’t yet know, and the only way we can hope to find it is by exploring.
I’m a very positive thinker, and I think that is what helps me the most in difficult moments.
在计算机中，自然语言是不自然的。