4667. It is, with this, almost as with human action, which appears as a single thing, but it inflows from innumerable modifications of the muscles; these, from [modifications] of the motive fibers and blood-vessels; and, lastly, from the fibers of the nerves. It is also circumstanced like the external human form: to that, contribute innumerable things, which are under the skin, or in the inside, which, if it were said that they flowed forth thence, it would appear to man like a paradox. The interiors of thought contain in themselves, and in the order which prevails amongst themselves, much more marvelous and incredible things; just as has been said. All and every one of those things, well out from the affections. Thoughts and intellectual things are but forms appearing thus from the affections; or they are formed affections; and, if they were closed, so that not a single detail should be inwardly inspired by affection, then it is, as it were, something dead: but, yet, somewhat of affection bursts forth from the harmony of such things; and so forth.