The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

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。

"We are what we pretend to be, so we must be careful about what we pretend to be."

"We are all prisoners of our own experiences, and yet we can never fully understand them."

The body is always present, even in its absence.