When it becomes a part of every man's thinking that a single thought can change the polarity of our entire body toward either life or death - and can likewise change its entire chemistry toward increasing alkalinity or acidity to strengthen it or weaken it - or can change the shape of every corpuscle of matter in the entire body in the direction of either growth or decay - then the medical profession will radically change both its principles and its practices with the ailment of bodies.
The healing principle is within man himself. Man's power to heal himself, or extend his healing power to others, is measured by his awareness of God in him.
There is a scientific explanation of healings by the power of Mind over matter which demonstrates that such healings are not miracles, but are within Nature's law which cannot be transcended by either man or God. The Fact that they were beyond man's comprehension did not prove that they were supernatural - for an airplane or radio would have been thought supernatural to dwellers in places far removed even one generation ago.