They like to--when they're computing the investment yield, they want to be completely honest and not use any rules of thumb.

当他们计算投资收益率的时候,他们需要完全精确,而非用经验公式

耶鲁公开课 - 金融市场课程节选

All is not lost; the unconquerable Will, And study of revenge, immortal hate, And courage never to submit or yield: And what is else not to overcome?

我们没有完全失败，那无法被征服的意志，复仇的信念，永恒的仇恨，以及我们的勇气，不曾消逝：,还有什么能将我们击溃？

耶鲁公开课 - 弥尔顿课程节选