Full Idea
Pure, unexplained supervenience is never a solution to a problem but a sign that there is something fundamental we don't know.
Gist of Idea
Pure supervenience explains nothing, and is a sign of something fundamental we don't know
Source
Thomas Nagel (The Psychophysical Nexus [2000], §III)
Book Reference
'New Essays on the A Priori', ed/tr. Boghossian,P /Peacocke,C [OUP 2000], p.445
A Reaction
This seems right. It is not a theory or an explanation, merely the observation of a correlation which will require explanation. Why are they correlated?