Full Idea
There is no sense in abandoning a successful theory if you have nothing to replace it with.
Gist of Idea
Why abandon a theory if you don't have a better one?
Source
Geoffrey Gorham (Philosophy of Science [2009], 2)
Book Reference
Gorham,Geoffrey: 'Philosophy of Science' [One World 2009], p.38
A Reaction
This is also a problem for infererence to the best explanation. What to do if your best explanation is not very good? The simple message is do not rush to dump a theory when faced with an anomaly.