粮食富裕,人们就知道礼节;衣食丰足,人们就懂得荣辱。
The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil.
The real challenge in computer science is not to write programs, but to understand the nature of computation.
"The only way to get rid of a temptation is to yield to it."