The real test of a financial model is not how complex it is, but how well it captures the essential features of the economic problem.
金融模型的真正考验不在于它有多复杂,而在于它是否能很好地捕捉经济问题的本质特征。
Time moves differently in memory than it does in life.
"Books are the maps that guide us through life."
You want to be extra rigorous about making the best possible thing you can.
未来属于那些愿意承担经过计算的风险的人。
The past is a shadow that follows us, always present, always haunting.