数学中最深刻的思想往往源于最简单的观察。
The most profound ideas in mathematics often arise from the simplest observations.
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。
We cannot change the past, but we can change our view of it.
自信源于内心，没有人能给你。
Architecture is not about form, it's about many other things.