We don't have to make up our minds in advance whether it was a real world or a completely fantastic one, but at least let's see if we can describe what world it looks like.

我们不必事先考虑这是一个,真实的抑或虚幻的世界,但至少要知道我们能否描述这个世界

耶鲁公开课 - 古希腊历史简介课程节选