To extend your thought experiment ... When you really are the smartest person in the world, and everyone knows it, you could seek out seek out students and tea

To extend your thought experiment ... When you really are the smartest person in the world, and everyone knows it, you could seek out seek out students and teach them to be the smartest person in the world. I have heard it several times in different ways but the gist is this, 'If you really want to learn X, teach someone how to X.' I don't think the quote is exactly right but I hope the intent comes through.