I am addicted to comment threads for just this reason. Someone comes up with an offhand remark...and I've never thought about this before now.
Have you surpassed any of your mentors as a scientist?
I think my answers are hell yes, apples-to-oranges, yes (in some ways), yes (in many ways), not yet and meh. Then there are the variety of quasi-mentors....not sure these are fair to discuss.