A person should not eat until his stomach is full. Rather, he should eat until he has consumed approximately three quarters of his fill.
The physician should not treat the disease but the patient who is suffering from it.
No disease that can be treated by diet should be treated with any other means.
If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health.
Anyone who lives a sedentary life and does not exercise, even if he eats good foods and takes care of himself according to proper medical principles — all his days will be painful ones and his strength shall wane.
An immoderate diet is unhealthy, but a temperate one preserves strength.