To lead is to serve.

Safety isn't just a policy, it's a culture that starts at the top.

If they can get you asking the wrong questions, they don't have to worry about answers.

Sometimes, the most heroic act is to continue living.

"Every film is a journey, both for the filmmaker and the audience."

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。