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。
痛苦并不总是身体上的；有时最深的伤口是我们看不见的。
I'm inspired by the sea, the sky, the landscape.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
"In computer science, we are always trying to find the balance between expressiveness and tractability."
我有足够的财富来保持诚实。
如果一个人不过高地估计自己，他就会比他自己所估计的要高得多。