He says,"There are many things in Paul's letters very difficult to understand. And some people twist them to their own destruction as they do other kinds of scripture."

他说“保罗的书信里有很多,难以理解之处，而有些人曲解它们,这是自取沉沦，正如他们对待其他圣典一样“

耶鲁公开课 - 新约课程节选

And because you can't really know, it's difficult to make the right kinds of plans.

又因为你无法知道，要作正确的规划就困难重重。

耶鲁公开课 - 死亡课程节选