郎尼根理論體系蘊含各層面的「切慕」、「同察」、與「歸化」，並提出不同形式的「問題」來作為轉捩、以企圖從一個層面邁進到另一個層面。本文尤以道德層面上的「切慕」、「洞察」與「歸化」作為反思重心，以檢討郎氏在這方面的貢獻，和可以補充或商榷的地方。

In Lonergan’s Theory of knowledge, we encounter different levels of exigence, insight, and conversion, accompanied by various stages of questioning. We envisage a possible development in the ethical aspect of his whole system, where we may acknowledge his achievement as well as anticipate further theoretical expansion.