Full Idea
The ethics of duty cannot be sustained independently of a religious framework.
Gist of Idea
The ethics of duty requires a religious framework
Source
Richard Taylor (Virtue Ethics: an Introduction [2002], Ch.2)
Book Reference
Taylor,Richard: 'Virtue Ethics: an Introduction' [Prometheus 2002], p.7
A Reaction
This is a big challenge to Kant, echoing Nietzsche's jibe that Kant just wanted to be 'obedient'. The only options are either 'natural duties', or 'duties of reason'. Reason may have a pull (like pleasure), but a 'duty'? Difficult.