1614. Another common operation or action of theirs was into the respiration of the lungs, to the left, which was such that if described it could scarcely be perceived, for there was a gentle leading of my respiration from the interior, so that I had no need of anything like voluntary effort in inhaling or expelling my breath; this was governed by heaven from the interior, so that not so much the substances as the animations of the lungs, from which arises their motion, [were controlled by it.] Thus the influence was in the interior [pulmonary] fibers that are not visible to the eye, for the animation was perceived to be ruled by heaven, without voluntary action on my part, so that I had no need to draw my breath or spirit, but it was drawn by heaven. The forces employed in this animation, as evinced by the intervals [between the pulsations], were such as seemed habitual to me.