The key to successful investing is to control what you can control: costs, taxes, and behavior.
个人必须从他的文化提供的材料中塑造自己。
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
最重要的是通过给予人们超出他们当前能力的任务来发展他们的能力。