It's like this, I think: the excellence of a good body doesn't make the soul good, but the other way around: the excellence of a good soul makes the body as good as it can be.
PlatoFew men are so obstinate in their atheism, that a pressing danger will not compel them to acknowledgment of a divine power.
PlatoThe physician, to the extent he is a physician, considers only the good of the patient in what he prescribes, and his own not at all
Plato