The capital asset pricing model (CAPM) is a useful tool for understanding the risk-return tradeoff, but it is not a perfect description of reality.
资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它并非对现实的完美描述。
正直就是在没人看的时候做正确的事。
The director's vision is the soul of the film; without it, the film is just a series of moving images.
"Die Wahrheit liegt oft in den kleinen Details verborgen."
最好的建筑是人性化的。
The power of a computational model is not just in its ability to compute, but in its ability to generalize from specific instances.
"Truth is not always the most comforting thing, but it is the most necessary."