语言是通向人性的窗口。
Language is a window into human nature.
真相很少是纯粹的,也从不简单。
我们每一次的观察都是向理解宇宙迈近的一步。
In mathematics, persistence is often more important than brilliance.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.