With the self forgetting each level...

With the self forgetting each level, it forgets all its special qualities and the existents in its realm, but even so, it still witnesses its own piety*(inayah)* , which is what is expressed as the ‘I’ which is a necessary witnessing inseparable from the soul itself. Moreover, the detachment of the soul from the body means that no veil or obstacle will remain for it [the soul].

Therefore, if a person was to return to his soul and his piety through acquiring beneficial knowledge and performing righteous deeds, he would certainly witness the reality of his soul, its level, the entities inhabiting its world and the inner secrets of the existents of that world. It has become clear that it is possible for a human in this material world to become acquainted with the concealed hidden realities that he will generally encounter after his death.

Addendum There are numerous Quranic verses and traditions that support this view which we will narrate by the will of Allah Almighty. However, the main argument most of the deniers have against this bliss is directed at the witnessing of the Almighty Truth.

They claim that it is impossible and their evidence for this is that the existence of the Almighty Truth is an existence free of accidents, dimensions and locations, and it is therefore impossible for Him to be physically seen because it will necessitate Him having a body, characterized by qualities, modality and a particular positioning.

Their advocates hold on to traditions that negate the possibility of vision and they interpret all the verses and traditions that affirm the possibility as being metaphorical, and so on. You surely know that their evidence is specifically focused on negating the possibility of physically seeing Allah which no one has claimed other than a few sunni theologians and the literalists among them, according to what has been attributed to them.

These negating traditions refute them, as it would be clear for whoever refers to the debates and arguments of the infallibles (a.s.) Those who maintain that Allah can be seen and witnessed want to prove something else, which is that a possible existent that is needy and totally dependent is able to witness the existence of its absolutely self-sufficient Originator with all its possible existence, not with actual sight or by acquired mental thinking.

This is something that indisputable rational arguments prove, along with evidence from the literal meanings of the book [Quran] and the Traditions.