But this isn't very convincing. Only one set of diseases is said to generate ritual impurity, and many substances these are not sources of ritual impurity to Israel's priests.

但这不是很令人信服，只有某一疾病,时由于不洁的仪式引发的，很多,这些对以色列祭司来说并不是不洁的来源。

耶鲁公开课 - 旧约导论课程节选

Only those in other words engaged in the continual struggle to clarify their thinking to remove sources of contradiction and incoherence only those people can be said to live worthwhile lives.

换言之，也仅有那些身处,持恒挣扎于厘清其思维的人,于移除矛盾及无条理源头的人,仅有那些人,才称得上是值得活的生命。

耶鲁公开课 - 政治哲学导论课程节选