简单是可靠的前提条件。
The greatest glory in living lies not in never falling, but in rising every time we fall.
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.
量化金融最重要的教训是,你必须理解模型的局限性。
无论生活看起来多么艰难,总会有你可以去做,并且取得成功的事情。最重要的是你不能放弃。