"Every failure is a stepping stone to success, provided we learn from it."
A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.
市场并非完全有效,但它们足够有效,以至于大多数人无法持续战胜市场。
递归是计算的根源,因为它需要时间来描述。
You can't manage what you don't measure.