I am again at my mentor's house, having been once more, frightening as it is, left with the responsibility for the care of his children. The older of the two children is watching some sports-related programme on television, which was interrupted a moment ago by a commercial for something NFL-related. "How", the narrator of this commercial wondered, in a deep voice and with portentous tone, "do you define excellence? Is it ... greatness?" As they say, I couldn't myself have better it put.