过去是一个陌生的国度；那里的人们做事方式不同。
The truth is rarely pure and never simple.
When a professor insists computer science is X but not Y, have compassion for his graduate students.
Our lives begin to end the day we become silent about things that matter.
走出去不是目的，走进去才是成功。
编程语言的力量不在于它的语法，而在于它提供的抽象。