Believe in yourself and all that you are.
我们成功的真正标准是在保护资源的同时如何更好地养活世界。
"The past is a puzzle, and every piece matters."
The universe is not only stranger than we imagine, it is stranger than we can imagine.
译文:不怕自身会产生恶念,只怕发觉自身的恶念太迟。
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。