The executioner's argument was, that you couldn't cut off a head unless there was a body to cut it off from: that he had never had to do such a thing before, and he wasn't going to begin at his time of life.
pouvait pas trancher une tête, à moins qu’il n’y eût un corps d’où l’on pût la couper ; que jamais il n’avait eu pareille chose à faire, et que ce n’était pas à son âge qu’il allait commencer.