Where does this agitation come from? From disorder, either of the body or of the mind; if the body is not in its proper rhythm and proper tune, or if the mind is not in its proper rhythm and tune. And if the mind and body are not in tune with one another, if they are not in harmony, then also this agitation comes. Sometimes it is the reflection of the mind upon the body, and sometimes it is the reflection of the body upon the mind. How true it is that man is his own enemy; but where is that enemy? That enemy is this spirit; a spirit which is never contented, which does not appreciate, which does not respond, which does not sympathize, which does not agree, which does not endure, which does not tolerate, which does not harmonize. A spirit which stands against any influence of harmony, agreement, sympathy, or kindness.