出自先秦《荀子·儒效》。对于所知道的东西就说知道，不知道的就说不知道；这样，对内是不欺骗自己的良心，对外是不欺骗他人。说明为人应当诚实的道理。

"Travel is fatal to prejudice, bigotry, and narrow-mindedness."

Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.

"The best films are those that dare to confront the uncomfortable truths of our existence."

无论你已经达到怎样的成就，在某个节点，你发现自己会跌倒，因为如果你一直不断的在做我们每个人都做的事：不断设定更高的目标。