Full Idea
The best theory is almost always boring. …The claim that all planets move in ellipses is interesting, and the claim that some do not is not interesting.
Gist of Idea
The best theory is boring: compare 'all planets move elliptically' with 'most of them do'
Source
Peter Lipton (Inference to the Best Explanation (2nd) [2004], 09 'Is the best')
Book Reference
Lipton,Peter: 'Inference to the Best Explanation (2nd ed)' [Routledge 2004], p.156
A Reaction
This applies to any extraction of a universal 'law' by induction. The best theory just affirms what has been observed. How could generalising about what you haven't observed be 'better'? Answer: because it goes via the essence.