Letter 58 — On Being (§30)

“Plato himself, by taking pains, advanced to old age. To be sure, he was the fortunate possessor of a strong and sound body (his very name was given him because of his broad chest); but his strength was much impaired by sea voyages and desperate adventures. Nevertheless, by frugal living, by setting a limit upon all that rouses the appetites, and by painstaking attention to himself, he reached that advanced age in spite of many hindrances.”