He says finding that out will be crucial. "Whether this was an act of terrorism conducted by al-Qaida central or that of a lone wolf acting independently, we will have to wait and see for the investigation and what comes out of that, but we do know that al-Qaida and their affiliates have a crazed obsession in targeting the aviation industry,"

VOA: standard.2009.12.27

It is a knowledge of how to act where the purpose of action is acting well.

这是一种如何表现,将动作目的完整诠译的知识。

耶鲁公开课 - 政治哲学导论课程节选