5558. There are spirits who when they wish to know anything, say that it is so, one after another in the society; and when they say it, they observe whether it flows freely without any spiritual resistance; for when it is not so, they usually perceive a resistance from within; and if they perceive no resistance they think that it is so, and do not know it in any other way. Such are they who constitute the little glands of the skin. But there are two kinds of them, one which affirms because there appears a free flow, as was said, from which they surmise that as there is no resistance it is in agreement with the heavenly form, consequently with the truth, and thereby that it is affirmed; and another kind which boldly affirms that it is so, although they do not know it.