The first lesson reading teaches is how to be alone.

The ultimate test of any economic theory is whether it improves real-world decisions.

争取在离世之前花光自己所有的钱。相比于给你的受益人，自己全部花光更有趣也更有意义。你填的最后一张支票应该是给殡仪馆，还应该拒付。

学习数学的唯一方法就是做数学。