Don't just fight in the North or the South. Always imagine every battle in your mind, where everyone is both your enemy and your friend, and all possible events happen simultaneously. That way, nothing will take you by surprise, and everything that happens will be something you've already imagined.
集合起一百个伟大头脑，就会得到一个大傻瓜。
Customer needs are always our primary driving force.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.