Overfishing will only turn the ocean into a desert, we must learn restraint.

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.

If you can't explain it simply, you don't understand it well enough.

Mathematics is the art of asking the right questions and then finding their answers.

大多数战略的问题不在于它们是错误的，而在于它们是无关紧要的。

Every story has a beginning, a middle, and an end, but not necessarily in that order.