"The world is a place of suffering, and the only way to escape it is through love."

The human voice is the most beautiful instrument of all, but it is the most difficult to play.

不要为成功而努力，要为做一个有价值的人而努力。

金融模型的真正考验不在于它有多复杂，而在于它是否能很好地捕捉经济问题的本质特征。