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。
可持续性不再是可选项，而是我们前进的唯一道路。
The key to success is to keep learning and adapting.
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
我们几乎无法避免这样的推论：光是由同一种介质的横向波动组成的，这种介质也是电和磁现象的原因。
"The beauty of literature lies in its ability to transcend time and space, connecting souls across ages."