Comparative advantage: a one line summary

Recently I gave a talk on outsourcing clinical content creation (hospital care plans, standardized order sets, etc) to a physician audience. I was able to work in a reference to Wikipedia and comparative advantage and to relate Ricardo's theory of comparative advantage to outsourcing. This basic economics works pretty well with a clinical audience; they especially liked my concise summary of Ricardo:

It's not that you can't do the work better than someone else, it's rather that you have better things to do ..