Leadership is about inspiring people to achieve more than they thought possible.

组织的质量由其服务的质量决定。

Propaganda is to a democracy what the bludgeon is to a totalitarian state.

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

当且仅当所有投资者都持有均值-方差有效的投资组合时，市场组合才是有效的。