Diffrence between profit and wealth maximisation

This seems to get asked here at least once every couple of weeks. A little Google search gets a lot of results:
profit and wealth maximization - Google Search (http://www.google.com/search?q=profit+and+wealth+maximization&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a)