Full Idea
Four things seem to be intrinsically good - virtue, pleasure, the allocation of pleasure to the virtuous, and knowledge.
Gist of Idea
The four goods are: virtue, pleasure, just allocation of pleasure, and knowledge
Source
W. David Ross (The Right and the Good [1930], §V)
Book Reference
Ross,W.David: 'The Right and the Good' [OUP 1930], p.140
A Reaction
I greatly admire a philosopher who has the courage to assert such a thing, in the face of centuries of scepticism about anyone's ability to even get started in this area. We need the bold assertions first; we can work back to doubts later, if necessary.