The sea is my language, and the desert my alphabet.
The simplicity of nature is not to be measured by our conceptions of simplicity.
"In observational studies, we often have to rely on assumptions that are not directly testable."
布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数,即股票的波动率。
The most successful businesses are the ones that are able to adapt and evolve over time.