资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它远非完美。
The past is never dead. It's not even past.
The best way to help people is not to do things for them, but to help them do things for themselves.
如果死者有未完成的事，他们就不会安息。
You have to figure out what your own aptitudes are. If you play games where other people have the aptitudes and you don’t, you’re going to lose. And that’s as close to certain as any prediction that you can make. You have to figure out where you’ve got an edge. And you’ve got to play within your own circle of competence.
