We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well, when is eventually?
世界不是一个愿望实现的工厂。
"Silence in a picture book is as important as the images and words."