In order to think only of healthy conditions and functioning, man must perform the voluntary acts of life in a perfectly healthy way. He cannot think perfect health so long as he knows that he is living in a wrong or unhealthy way; or even so long as he has doubts as to whether or not he is living in a healthy way. Man cannot think thoughts of perfect health while his voluntary functions are performed in the manner of one who is sick. The voluntary functions of life are eating, drinking, breathing, and sleeping. When man thinks only of healthy conditions and functioning, and performs these externals in a perfectly healthy manner, he must have perfect health. In eating, man must learn to be guided by his hunger. He must distinguish between hunger and appetite, and between hunger and the cravings of habit; he must NEVER eat unless he feels an EARNED HUNGER. He must learn that genuine hunger is never present after natural sleep, and that the demand for an early morning meal is purely a matter of habit and appetite; and he must not begin his day by eating in violation of natural law. He must wait until he has an Earned Hunger, which, in most cases, will make his first meal come at about the noon hour. No matter what his condition, vocation, or circumstances, he must make it his rule not to eat until he has an EARNED HUNGER; and he may remember that it is far better to fast for several hours after he has become hungry than to eat before he begins to feel hunger. It will not hurt you to go hungry for a few hours, even though you are working hard; but it will hurt you to fill your stomach when you are not hungry, whether you are working or not. If you never eat until you have an Earned Hunger, you may be certain that in so far as the time of eating is concerned, you are proceeding in a perfectly healthy way. This is a self-evident proposition.