It is clear even to those who do not know medical science that the whole mechanism of the body stops when the breath has departed. That means that however perfect the mechanism of the body may be, in the absence of breath the body is a corpse. In other words, what is living in the body, or what makes it living, is breath. And how few of us realize this fact. We go on day after day, working, busy with everyday life, absorbed in the thoughts we have, occupied with business, pursuing motives, and yet ignoring the principle upon which the whole of life is based.