And I end up going back and doing unit testing anyway, to try and figure out why it doesn't work. So over the years, I've just convinced myself I might as well start where I'm going to end up.

第一次从来不会正常运行,因此无论如何我还要回头去做单元测试,找找哪儿出错了，因此经过这么多年，我已经说服自己既然一定要做单元测试,那么还是一开始就做最好了。

麻省理工公开课 - 计算机科学及编程导论课程节选

We can't just smash things and start all over, we have to design a system of risk management.

而不是简单地打破一切再重新来过，我们应当设计一个好的风险管理体系。

耶鲁公开课 - 金融市场课程节选