Political philosophy exists and only exists " in that call it "zone of indeterminacy" between the "is" and the "ought " between the actual and the ideal.

政治哲学存在，且仅存于,所谓的“不确定区域“,界于“是“与“该是“之间“,即现实与理想之间。

耶鲁公开课 - 政治哲学导论课程节选