子曰：“富而可求也，虽执鞭之士，吾亦为之；如不可求，则从吾所好。”
孔子说：“如能致富，哪怕是赶车，我也干；如不能，则随我所好。”
People of the same trade seldom meet together， even for merriment and diversion， but the conversation ends in a conspiracy against the public， or in some contrivance to raise prices.
文学不是用来解决问题的，它是用来呈现问题的。
The real challenge in computer science is not to write programs, but to understand the nature of computation.