Following Paton, he moved to Oxford, lecturing at Corpus Christi College, where his students included Iris Murdoch (Weitzman: 1999).
He returned to the University of Glasgow in 1946, having been appointed to a permanent lectureship, and remained there until 1960 when he withdrew to focus on newfound biblical interests.
While at Glasgow, his observations of society in Scotland led him to speak of "'Highland ravings' - the obsessive clinging on to what is wholly illusory" (Weitzman 1997: 30).
As a middle-aged adult, reading the New Testament for the first time, Cassirer was struck by the writings of St. Paul in relation to ethics.
This work went through several iterations and a list of the category headings is printed at the end of God's New Covenant: A New Testament Translation (pp. 493–494).