As in Tom Lehrer's song "The Old Dope Peddler", which ends "It's the old dope peddler/Doing well by doing good." It's not something I heard years ago, but then

As in Tom Lehrer's song "The Old Dope Peddler", which ends "It's the old dope peddler/Doing well by doing good." It's not something I heard years ago, but then one heard "I'm OK" and "I'm fine".