广告的目的是销售。这是唯一的目的。
The purpose of advertising is to sell. It is the only purpose.
The purpose of computation is insight, not numbers.
Thought is the servant of action, and action is the servant of survival.
谋划事情没有主见,就会被事情困住;做事情没有准备,肯定会失败。
Any problem in computer science can be solved with another layer of indirection.