So where does this constraint, you may think it's a fairly minimal constraint, but where does it come from?

你可能觉得这些制约相当微小，但它从何而来呢？

耶鲁公开课 - 公正课程节选

Do you remember? Where does it come from?

你们还记得吗？出自哪里？

耶鲁公开课 - 政治哲学导论课程节选