Full Idea
If morality is strongly 'codifiable', it should consist of rules which provide a decision procedure, and it should be equally applicable by the virtuous and the non-virtuous, without recourse to wisdom.
Gist of Idea
'Codifiable' morality give rules for decisions which don't require wisdom
Source
Rosalind Hursthouse (On Virtue Ethics [1999], Ch.2)
Book Reference
Hursthouse,Rosalind: 'On Virtue Ethics' [OUP 2001], p.56
A Reaction
A key idea. Religions want obedience, and Kant wants morality to be impersonal, and most people want morality which simple uneducated people can follow. And yet how can wisdom ever be irrelevant?