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。
"The world is full of stories, but the ones that matter are the ones that change us."
People don’t notice whether it’s winter or summer when they’re happy.
艺术不是反映现实的镜子,而是塑造现实的锤子。