如果不衡量影响，我们只是在猜测可持续性。
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.
我只是在寻找快乐的方式。
每个魔法师都有不同的看待世界的方式，这正是他们的魔法独特之处。
最好的文学是让我们感到不安、扰乱我们睡眠的文学。
The beauty of mathematics is that it is so simple yet so powerful.