分布式系统是指我无法完成任何工作，因为我从未听说过的某台机器崩溃了。

Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary.

出自先秦《荀子·不苟》。君子加强道德修养没有比“诚”更重要的，达到了“诚”的要求也就到了修身养性的最高境界了。

"The joy of discovery is certainly the liveliest that the mind of man can ever feel."

每一个数学问题都是通向新理解世界的窗口。