> But it's also good to be Top Dog from time to time; the teacher often can learn more than the student. Even in those cases, I think there is an advantage to

> But it's also good to be Top Dog from time to time; the teacher often can learn more than the student. Even in those cases, I think there is an advantage to choosing people who have the potential to become better than you are. It's really gratifying to teach someone something, and then watch them grow to the point where they know more than you do on the subject.