Full Idea
Our duty is to do certain things, but not to do them from the sense of duty.
Gist of Idea
We should do our duty, but not from a sense of duty
Source
W. David Ross (The Right and the Good [1930], §I)
Book Reference
Ross,W.David: 'The Right and the Good' [OUP 1930], p.6
A Reaction
A very nice remark, which pinpoints an aspect of Kant which makes most people feel uneasy. "I only came to visit you in hospital because it is my duty".