They [the forces of illness] first weaken or break through the nervous envelope, the aura. If that is strong and whole, a thousand million germs will […]
What is the difficulty [in understanding how the subtle forces of illness attack the body using bacilli and viruses for their purpose]? You are like the […]
There is a sort of protection round the body which we call the nervous envelope—if this remains strong and refuses entrance to the illness force, then […]