At this level of abstraction, plainly there isn't all that much incentive to apply thinking of that kind, but on the other hand undoubtedly theory does exist for the most part to be applied.

就这门课程中理论的抽象程度而言，没必要把它,用于实践，但是在绝大多数情况下,理论无疑都是为了实践而存在。

耶鲁公开课 - 文学理论导论课程节选