The famous physician and the eminent clergyman were deep in a discussion which threatened to become acrimonious.
You see, said the minister sarcastically, "you medical men know so much about the uncertainties of this world that I should think you would not want to live."
Oh, I don't know, responded the physician caustically. "You clergymen tell us so much about the uncertainties of the next world that we don't want to die."