自守形式的研究是进入未知领域的旅程。
Don't just fight in the North or the South. Always imagine every battle in your mind, where everyone is both your enemy and your friend, and all possible events happen simultaneously. That way, nothing will take you by surprise, and everything that happens will be something you've already imagined.
The true measure of a company's success is how it treats its people and the environment.
资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它远非完美。