By the knowledge of degrees, which is set forth in this Part, the following arcanum is disclosed: all things of the mind, that is, of the will and understanding of man, are in his acts or deeds, included therein very much as things visible and invisible are in a seed or fruit or egg. Acts or deeds by themselves appear outwardly as these do, but in their internals there are things innumerable, such as the concurring forces of the motor fibers of the whole body and all things of the mind that excite and determine these forces, all of which, as shown above, are of three degrees. And since all things of the mind are in these, so also are things of the will, that is, all the affections of man's love, which make the first degree; all things of the understanding, that is, all thoughts from his perception, which makes the second degree; and all things of the memory, that is, all ideas of the thought nearest to speech, taken from the memory, which compose the third degree. Out of these things determined into act, deeds come forth, in which, seen in external form, prior things are not visible although they are actually therein. That the outmost is the complex, containant, and base of things prior may be seen above (n. 209-216); and that degrees of height are in fullness in their outmost (n. 217-221). 278. The acts of the body when viewed by the eye, appear thus simple and uniform, as seeds, fruits, and eggs do, in external form, or as nuts and almonds in their shells, yet they contain in themselves all the prior things from which they exist, because every outmost is sheathed about and is thereby rendered distinct from things prior. So is each degree enveloped by a covering, and thereby separated from other degrees; consequently things of the first degree are not perceived by the second, nor those of the second by the third. For example: The love of the will, which is the first degree of the mind, is not perceived in the wisdom of the understanding, which is the second degree of the mind, except by a certain enjoyment in thinking of the matter. Again, the first degree, which is, as just said, the love of the will, is not perceived in the knowledge of the memory, which is the third degree, except by a certain pleasure in knowing and speaking. From all this it follows that every deed, or bodily act, includes all these things, although externally it appears simple, and as if it were a single thing.