"The world is a book, and those who do not travel read only one page."
世界是一本书,不旅行的人只读了一页。
患者的声音应该永远是房间里最响亮的。
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.