Reality and relative reality are two completely different things. The second is what we perceive with our senses and brain. Βetween these two, there are other levels of understanding that even if we manage and activate them, we do not reach the perception of absolute reality. Still, at least we have a better picture of what is happening. Such a level is offered to us by metaphysics, but we have to pay attention to it because many illusions often enter it. The collection of articles enclosed in this doctrine seeks, as honestly as possible, to take a look at the events that characterize the metaphysical veil of relative reality to assist the contemporary researcher in the more global perception of the individual and the world