You have to be willing to take risks.
To understand behavior, look for the utility in it.
We are all different, but we share the same human spirit. Perhaps it's human nature that we adapt and survive.
拥有股票就像有孩子一样——不要涉足超过你能处理的数量。
建模的艺术在于忽略正确的东西。
我们都是我们选择的总和,有时也是他人选择的总和。