"A book is a journey that begins with a single word."
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。
Don't be embarrassed by your failures, learn from them and start again.
我们不仅仅是生产药物,我们生产的是信任。
世界正在快速变化,我们必须适应否则就会被抛在后面。
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.