The past is a foreign country; they do things differently there.
资本资产定价模型并非旨在描述投资者实际行为的实证理论,而是关于理性投资者应如何行事的规范理论。
We think in order to adapt.
The secret of life is to appreciate the pleasure of being terribly, terribly deceived.
In mathematics, truth is found not through consensus but through proof.