Full Idea
There is no one right way - though there may be more or less natural ways - of carving up a causal history.
Gist of Idea
Ways of carving causes may be natural, but never 'right'
Source
David Lewis (Causal Explanation [1986], I)
Book Reference
Lewis,David: 'Philosophical Papers Vol.2' [OUP 1986], p.215
A Reaction
This invites a distinction between the 'natural' causes and the 'real' causes. Presumably if any causes were 'real', they would have a better claim to be 'right'. Is an earthquake the 'real' (correct?) cause of a tsunami?