PHYSIQUE: THEORIES AND APPETITES
IN his autobiography Franklin relates that his father "had an excellent constitution of body, was of middle stature, but well set, and very strong," qualities all inherited by the son. From the maternal side the boy derived "likewise an excellent constitution"; and he asserts that "I never knew either my father or mother to have any sickness but that of which they dy'd, he at 89, and she at 85 years of age."
This heritage of soundness and strength was a large element in the success Franklin achieved. He himself took pride that in the printing-office where he worked during his first London sojourn, "on occasion, I carried up and down stairs a large form of types in each hand, when others carried but one in both hands." After he set up as a printer for himself, he often worked till far